DK Children’s Encyclopedia ( PDFDrive )

classification 22 cycling 36 rotation 77 Ff
cliffs 93 Cyrillic 280 seasons 221
climate change 25, 51, 60, 122, cytoplasm 41, 56 surface 84 faces 99, 173
weather 271 factories 97, 133, 174, 212
143, 198 Dd earthquakes 84, 85 fairy tales 43
clocks 61, 159 eating 79, 104–105, 249 fall 221
clones 119 da Gama, Vasco 96, 180 echinoderms 139 fan dancing 76
clothing 27, 62–63 daimyo 131 eclipses 77 farming 98, 105, 140, 274
the cloud 138 dairy products 106 eco homes 244 fashion 27, 62–63
clouds 64, 270, 271 dams 211, 270 ecology 38 fat, body 229
coal 110 dance 76 Edison, Thomas 137, 217 fat cells 41
codes 66–67 dark matter 116, 263 eels 101 fats 106
coding 65, 66 dark zone 187 eggs 39, 86, 146, 163 faults 85
coins 169, 201 Darwin, Charles 95 Egyptians, ancient 12, 17, 66, feathers 39
college 273 day 77 feeling (touch) 256
colonies 21 Day of the Dead 206 152, 162, 218, 258 feelings (emotions) 99
color 26–27 deciduous trees 109, 126, 261 Eid 207 ferns 194
Columbus, Christopher 96, 180 decimals 112 Eiffel Tower 94 festivals 206–207
comets 68, 164 decomposers 107 electorate 123 fiction 44
communication 66, 69, 138, deep-sea zone 187 electric cars 52 filaments 103
defense system, body 225 electrical engineering 91 film 43, 100, 190
215, 250 Degas, Edgar 28 electricity 87, 120, 192 filtering 168
compasses 70, 182, 218 Deimos 156 fins 101
compounds 58, 168 democracy 123 circuits 59 fire 82, 105
computer games 69, 71, 241 Denmark 102 conducting 157 fish 22, 74, 101, 120, 181, 266
computers 71, 137, 192, 212, 280 denominators 112 insulators 157, 195
dermis 229 power stations 110 eggs 86
circuit boards 59 deserts 78, 126, 270 electronics, recycling 205 farming 98
coding 65, 66 diamonds 118 electrons 34, 58 sharks 223
Internet 69, 138 diaphragm 149 elements 58, 90 fishing 72
condensation 57 dictatorships 123 elephants 12, 19, 154 flags 102, 193
conduction 157 digestion 79, 130 elliptical galaxies 116 flammability 157
conductors 188 digital clocks 61 email 69 Fleming, Alexander 218
conifers 109, 126, 194 digital money 169 emojis 280 flight 137, 209, 259, 277
conscientious objectors 279 digital radio 203 energy 60, 88–89 floating 227
conservation 72, 281 dinosaurs 80, 111, 184, 202 electricity 87 floods 60
Constantinople 262 directions 70 food 106, 107 flowers 103, 194
constellations 73 Diwali 207 fossil fuels 110 fog 271
constitutions 123 DNA 67, 119 engineering 91 food 104–105
construction 48 doctors 160, 274 engines 52, 89, 92, 260 digestion 79
container ships 224 documentaries 100 English language 144, 280 farming 98
continents 50–51, 275, 293 dogs 81, 95, 152, 153 Enigma codes 67 nutrition 106
Cook, James 96 dolphins 154 environment 121, 198, plants 191
cooking 104–105 dormice 129 taste 249
copper 47 dragons 178, 206–207 205, 258 food chains 89, 107
coral reefs 74 drawing 28, 219 epidermis 229 football 239, 241
core, Earth’s 135 dreams 231 equality 189 forces 108
cornea 226 drinks 97, 106, 148 erosion 93 buoyancy 227
costumes, traditional 63 droughts 60, 143 erratics 122 friction 114
countries 275, 292 dust mites 165 eruptions, volcanic 268 gravity 125
courts 145 dwarf planets 196 esophagus 79 magnets 151
crafts 75, 132 Europa 141 forests 72, 109, 126, 202, 204
cranes 48 Ee Europe 94, 276, 277, 292 Formula 1 52
craters 164 evaporation 57, 168 fossil fuels 51, 60, 88, 110
crayons 280 ears 127, 225, 235 evergreen trees 261 fossils 80, 95, 111, 202, 219
creation 37 Earth 83, 233, 263, 289 evolution 82, 95, 286 foxes 81
creation stories 42, 178 exercise 173 fractions 112
crocodiles 124, 210 atmosphere 33 exosphere 33 French Revolution 113
cruise ships 224 changing 50–51 experiments 218 friction 108, 114
crust, Earth’s 85, 135 gravity 125 exploration 180–181, 267 Frobisher, Martin 96
crustaceans 139 inside 135 explorers 96 frogs 15, 78, 129, 163, 236, 266
cubed units 269 magnetic field 70, 135, 151 exports 257 fruit 98, 106, 115
cuneiform 47, 280 moon’s orbit 32, 171 expressions, facial 99, 173 fungi 38, 174
currency 169 orbits the sun 32 eyes 54, 119, 226

299

Gg mountain 172 skin 229 Kk
oceans and seas 187 temperature 252
Gagarin, Yuri 31, 33, 181 polar regions 197 water 121, 130, 148 kangaroos 154
galaxies 37, 116, 167, 263 rain forests 204 humanoid robots 212 Kenya 102
Galilean moons 141 seashore 220 humans, early 82, 180, 202 Kepler-16b 233
Galilei, Galileo 32 hair 119, 130, 154 hunting 243 keyboards
games 69, 240–241 Halley’s Comet 68 huntsman spiders 238
Ganymede 141 hammerhead sharks 223 hurricanes 246 computer 71
garbage 121, 198, 205 Hammurabi, King 145 Huygens, Christiaan 61 musical instruments 175
gases 57, 110, 117 hamsters 152 hydroelectric power 120 kimonos 63
Gaudi, Antonio 245 Han Dynasty 16 hydrogen 58, 120 Kindertransport 277
gears 61 Hang Son Doong cave 55 kiwis 186
gemstones 118 hard drive 71 Ii knights 142, 278
genes 119 Harry Potter 44
gerbils 152 hearing 127 ice ages 51, 202 Ll
Germany 102, 277 heart 128 ice caves 55
germs 160, 225 heat igloos 245 lakes 122, 143, 211
Giant’s Causeway 94 conducting 157 igneous rocks 213, 214 land pollution 198
gills 101, 120, 174 friction 114 imports 257 language 66, 67, 144
giraffes 12, 95, 124 helicopters 13 Incas 132, 236
glaciers 55, 93, 122 helium 90, 117 India 29, 63, 102 computer 65
glass 48, 75, 205 heraldry 142 Latin 144, 284
glasses 226 herbivores 107, 154 ancient 19, 42, 272 Latin dance 76
gods and goddesses 18, 132, 158, herds 21 Industrial Revolution latitude 182
hibernation 129 lava 135, 234, 268
179, 183, 208 hieroglyphs 17, 66 89, 133 law 145
gold 44, 90, 199, 200–201 hill forts 140 inheritance 119 leaves 27, 109, 115, 191, 194,
Golden Gate Bridge 46 Himalayas 84 insects 105, 134, 139
goldfish 101 Hindi 144, 280 248, 261
governments 123 Hinduism 207, 208 pollen 103 leeches 160
GPS 155, 182, 215 Hippocrates 160 spiders 238 legends 178
grasshoppers 134 Hokusai 28 instruments lemurs 12, 170
grasslands 124, 126 HoloLens 69 medical 160 length 159
gravity 108, 125 home school 273 musical 175, 176–177, 188 lens (eye) 226
Great Barrier Reef 74 homes 244–245 insulators 157, 195 Leonardo da Vinci 209, 218–19
Great Red Spot 141 animals 23 International Space Station 31, leopards 54
Great Wall of China 16 caves 55 levers 150
great white sharks 223 hominins 82 33, 212 life
Greece, ancient 18, 67, 241, 269, horse-drawn vehicles 258 international trade 257
houseboats 245 Internet 69, 138 on Earth 50, 83, 247, 270
272, 278 Hua Mulan 178 intertidal zone 254 tree of life 286
alphabet 284 Hubble, Edwin 167 intestines 41, 79 life cycle 146
medicine 160 Hubble Space Telescope 33, 215 inventions 16, 20, 136–137, 217 light 147
philosophy 189 human biology 38 invertebrates 22, 139, 238, 286 light bulbs 59, 217
theater 253 human body 130 Io 141 lightning 87, 246, 252
green transportation 258 brain 45 iris (eye) 226 lines of symmetry 248
Greenwich Mean Time 255 breathing 149 iron 135, 140, 164 lionfish 101
griffins 178 carbon 49 Iron Age 140 lions 54, 107, 124
Gris, Juan 28 cells 41 irregular galaxies 116 liquids 57, 148, 159
growing up 146 defense system 225 Islam 76, 207, 208, 262, 272 lizards 78, 210, 266
growth 231 digestive system 79 Istanbul 262 log boats 258
guinea pigs 153 energy 88 longhouses, Viking 267
gunpowder 279 feelings 99 Jj longitude 182
gymnastics 239 genes 119 longships, Viking 267
heart 128 Japan 63 Louis XVI of France 113
Hh ingredients 130 Imperial 53, 131 lunar rovers 259
life cycle 146 lungs 149
habitable zone 83 muscles 173 jet engines 92
habitats 126 senses 127, 226, 232, 249, 256 jet lag 255 Mm
sickness 225 jewelry 47, 75, 118, 200
conservation 72 skeleton 228 jobs 274 machines 133, 150
coral reefs 74 joints 228 Machu Picchu 132, 236
deserts 78 jousting 142 madrasas 272
forests 109 Judaism 207, 208, 277 Magellan, Ferdinand 96
grasslands 124 judges 145 magma 135, 213, 268
intertidal zone 254 jumping spiders 238 magnetic field 70, 135, 151
Jupiter 141, 233, 289 magnetism 108
juries 145 magnets 151

300

magnometers 70 minerals 30, 118, 214 Nile, River 12, 17 gas 117
mammals 22, 86, 154, 266 mines 110, 162, 200 nitrogen 117 liquids 148
mammoths 51, 202 minotaur 178 nonfiction 44 solids 234
Mandarin 144, 284 Mississippi River 184 North America 184 Passover 207
maps 155, 182 mitochondria 41, 56 North Pole 180 peas 115
mixtures 168 nose 149, 225, 232 pencils 280
Europe 292 mobile phones 69, 182, 190, notation, musical 177 pendulums 61
the world 292–293 novels 43 penguins 21, 24, 39, 197, 266
Marie Antoinette 113 250, 280 nuclear physics 192 pens 280
markets 274 Model T Ford 259 nucleus 34, 41, 56, 58 percussion instruments 175, 188
Mars 156, 233, 237, 289 molecules 34, 58 numbers 112, 185 periodic table 90
marsupials 154 mollusks 139 numerators 112 perspective 209
masks 35, 200–201, 253 monarchy 123, 290 nurses 274 Perugino, Pietro 209
mass production 97 money 169, 201 nutrition 106 petals 103
materials 58, 157 monkeys 124, 170 pets 54, 81, 152–153
buildings 48 monotremes 86 Oo pharaohs 12, 17
changing states 57, 148, 234 monsoons 221 philosophy 189
elements 90 the moon 161, 171, 219 Oceania 186 Phobos 156
plastic 195 oceans and seas 187 photo messaging 69
mathematics eclipses 77 photography 190
fractions 112 gravity 125 coral reefs 74 photosynthesis 191
measuring 159 landings 31, 171, 181 exploration 181 physics 192, 217
multiplication 287 lunar rovers 259 garbage in 198 pirates 193
numbers 185 tides 254 habitats 126, 197 pitch 235
shapes 222 moons, planets 141, 156, 161, prehistoric life 202 pixels 251
symmetry 248 sea battles 279 place value 185
volume 159, 269 183, 196, 216 sea levels 51 planes 13, 92, 277
matter 192 Morse Code 66 seashore 220 planets 181, 219, 289
Matterhorn 172 mosques 262 tides 254 dwarf planets 196
Maya 158 moss 194 volcanoes 268 Earth 83, 263
measuring 159 motherboards 71 water cycle 270 Jupiter 141
temperature 252 motor racing 52 oil 110 Mars 156
volume 269 motte and bailey castles 53 Olympic Games 18, 241 Mercury 161
meat-eating plants 194 mountains 50, 51, 84, 122, 172 optic nerve 226 minor planets 183
mechanical engineering 91 mouth 79, 249 oral history 42 Neptune 183
mechanics 192 movement orbit Saturn 216
medicine 137, 160, 218, 274 Earth 32 solar system 233
equipment 192 energy 88 moon 171 types of 233
robots 212 friction 114 Pluto 196 Uranus 264
medieval period 44, 142, 160, 278 muscles 173 orchestras 188 Venus 265
meerkats 107, 124 movies see film Osman I, Sultan 262 plankton 165
melanin 119, 229 mucus 225, 232 ostriches 86 plants 38, 194
melting 57 Mughal Empire 19 otters 21 cells 56
membranes, cell 41, 56 multiplication 287 Ottomans 262 flowers 103
memory 231 mummies 17 ovaries 103 food chains 89, 107
Mercury 161, 233, 289 muscles 130, 173 oxbow lakes 143 fruit and seeds 115
Mesopotamia 121 mushrooms 174 oxygen 34, 49, 58, 117, 120, habitats 126
mesosphere 33 music 131, 176–177, 188 photosynthesis 191
metals 30, 162, 200, 205, 234 instruments 175 128, 191 trees 261
precious 199 musicals 100 breathing 149 plastic 121, 137, 195, 198, 205
metamorphic rocks 213, 214 myths 178 plates, tectonic 85
metamorphosis 163 Pp platinum 199
meteorites 24, 162, 164 Nn plays 253
meteors 200 pain 256 Pluto 183, 196
metro systems 260 Native Americans 14, 179 paint 26 poetry 43
Mexico 206 natural selection 95 painting 28, 201, 243 Poland 277
microbiology 38 navigation 70, 73, 155, 182, 215 palaces 244 polar bears 25, 197
microorganisms 38, 165 negative numbers 185 Panama Canal 184 polar habitats 126, 197
microscopes 165 Neptune 183, 233, 289 pandas 29 poles 151
migration 166 nerves 41, 45, 127, 229 Pangaea 50 police 145
milk, mammals 154 nervous system 45, 130 parchment 44 pollen 103
Milky Way 40, 116, 167, 247, 263 nests 23 Paris 275
neurons 45, 256 parrots 39
Newton, Isaac 125 Parthenon 18
newts 15 particles 34, 58, 90
night 77

301

pollution 60, 72, 198 Ring of Fire 84 hearing 127 soldiers 20, 142, 278–279
polygons 222 rings, planetary 216, 264 sight 226 solidifying 57
pop music 176 rivers 55, 93, 121, 143, 211, 270 smell 232 solids 57, 234
population 275 robots 71, 97, 150, 181, 212, 237 senses continued solubility 148, 157
pores 229 rock cycle 213 taste 249 songbirds 39
pottery 18, 75, 262 rock music 176 touch 256 sound 127, 235
power stations 110 Rocket (steam train) 136–137, separation, mixtures 168 sound waves 235
prairies 124 servers 138 South America 236
praying mantises 139 260 sewing machines 150 South Pole 24, 180
precious metals 199 rockets 237 shadows 147 space
prehistoric life 202 rocks 214, 234 shapes 222
prehumans 82 flat and solid 288 asteroids 30
presidents 290 erosion 93 symmetry 248 astronauts 31
primary colors 27 metals 162 volume 269 astronomy 32
primary consumers 107 space 164 sharks 223 black holes 40
primates 170 roller coasters 88 Shinkansen trains 260 comets 68
prime ministers 289–290 Rome, ancient 20, 28, 62, 144, ships 224 constellations 73
printing 28, 44 early 258 eating in 105
prisms 147 230, 272 explorers 96 exploration 180, 181
processors 71 Röntgen, Wilhelm Conrad 219 floating 227 galaxies 116
producers 107 room temperature 252 paddle steamers 184 meteorites 164
programming, computer 65, 66 roots 115, 174, 191, 194 pirate 193 Milky Way 167
prominences 247 rotational symmetry 248 slave trade 230 pets in 153
protein 105, 106 royal courts 62–63 Viking 267 robots 212
protons 34, 58 Russia 275 World War II 277 stars 242
Proxima Centauri 242 shoguns 131 travel 237
pulleys 150 Ss shops 274 universe 263
pulling 108 sickness 160, 225 see also planets
pupils 226 Sahara Desert 12, 78 sifting 168 spacecraft 181, 201, 237
puppets 253 sailing boats 224 sight 226 Apollo missions 171
pushing 108 salamanders 15 sign language 144 Cassini-Huygens 216
pyramids 12, 17, 35, 158 saliva 225 signal flags 102 International Space Station 31
Samurai 131 Sikhism 208 lunar rovers 259
Qq San Andreas Fault 85 silver 199 Mars rovers 156
sandstone 213 singing 176 satellites 215
questions and answers 189 saris 63 sinkholes 55 space probes 161, 237
satellites 138, 182, 215, 251 sinking 227 space shuttles 237
Rr Saturn 216, 233, 289 skeleton 130, 228, 266 Voyager 2 264
sauropods 80 skiing 114 spacesuits 31
rabbits 153 savannas 124 skin 119, 130, 225, 229, 256 spaghettification 40
racket sports 240 scales 101, 159 skydiving 33 Spanish language 144
radio 203 schools 272–273 skyscrapers 48 sperm 146
radio waves 203, 250 science 217, 218–219 slate 213 spice trade 96, 180, 257
railroads see trains slavery 230 spiders 139, 153, 238
rain 211, 221, 246, 270, 271 ancient Greece 269 sleep 129, 231 spiral galaxies 116, 167
rainbows 26 ancient India 19 smartphones 138, 250 spores 174
rain forest 126, 204, 236 biology 38 smell 232, 249 sports 36, 121, 239, 240–241
RAM 71 chemistry 58 smokers, ocean 187 spring 221
reactions, chemical 58 physics 192 snails 139 squares 222, 288
recycling 72, 195 Renaissance 209, 218 snakes 78, 124, 152, 210 squires 142
red giant stars 242 science fiction 100 soccer 239, 241 stage 253
reflecting colors 27 scientists 217, 274, 285 society stalactites 55
reflection 147 scorpions 139 Egyptian 17 stalagmites 55
reflective symmetry 248 Scott, Robert 24 Imperial Japanese 131 starfish 139, 248
religion 206–207, 208, 291 Scratch 65 Incas 132 stars 37, 73, 167, 219, 242
remote control 203 screws 150 Roman 20 states, changing 57, 148, 234
Renaissance 209, 218 sculpture 28 solar energy 60, 87, 89, 181, 192 static electricity 87
renewable energy 89 sea see oceans and seas solar flares 247 Statue of Liberty 184
reptiles 22, 86, 210, 266 seahorses 101 solar system 32, 37, 68, 167, steam engines 89, 92, 133,
reservoirs 143 seashore 220
retina 226 seasons 221 233, 247, 263 136–137, 260
rice 16, 29 secondary colors 27 see also planets stems 115, 174, 191,
right and wrong 189 secondary consumers 107
sedimentary rocks 213, 214 194, 261
seeds 103, 115
senses 225

302

steppes 124 theater 253 Uu weather 64, 66, 192, 215, 221,
stigma 103 thermometers 252 246, 271
stingrays 101 thermosphere 33 U-shaped valleys 93, 122
stomach 79, 225 theropods 80 UFOs (unidentified flying weaver birds 23
Stone Age 62, 202, 243 thinking 45, 189 objects) 64 weaving 63, 75
stone buildings 48 thunderstorms 246 ultraviolet light 214 webs, spider 238
Stonehenge 243 tides 254 Uluru 186 websites 138
storms 60, 141, 246 tigers 266 underground trains 260 wedges 150
storytelling 42–43 time 61, 159, 289 United Kingdom 102 weighing 159
stratosphere 33 time zones 255 United States 102, 123, 184 whale sharks 223
stratovolcanoes 268 tin 47 wheels 91, 136, 258
streams 143, 211 Titan 216 American West 14
street dance 76 toads 15, 266 Civil War 279, 290–291 bicycles 36
string instruments 175, 188 togas 62 presidents 290 cars 52
submersibles 224 Tokyo 275 slavery 230 tractors 150
sugar 106 tongue 54, 232, 249 universe 37, 40, 263 whiskers 54
suits 63 tools Uranus 183, 233, 264, 289 white blood cells 225
sultans 262 urinary system 130 white light 147
summer 221 animals 170 USB ports 71 whole numbers 185
the sun 68, 89, 147, 233, first human 82 Wi-Fi 138
Iron Age 140 Vv wild cats 54
242, 247 measuring 159 wind
Earth’s orbit 32 school 273 vaccinations 160 Earth 271
eclipses 77 Stone Age 243 vacuoles 56 Neptune 183
movement 77 tornadoes 246 value 169 wind instruments 175, 188
seasons 221 tortoises 210 valves, heart 128 wind sculptures 93
sundials 61, 255 touch 256 van Gogh, Vincent 28 wind turbines 60, 87, 89
sunlight 191 Toutatis 30 Vatican City 275 winter 221
sunlit zone 187 trachea 149 vegetables 98, 106 winter sports 239
sunshine 271 tractors 150 veins 128 wireless gadgets 203
supernovas 242 trade 96, 180, 224, 257 Venus 233, 265, 289 wolves 81
surface, Earth 51, 84, 135 trains 14, 92, 133, 136–137, Venus fly trap 194 women at war 276
suspension bridges 46 vertebrates 22, 266, 286 wood carvings 75
sweat glands 229 260 vibrations, sound 235 woodwind instruments 188
switches 59 Transit of Venus 265 video calls 69 work 169, 274
symmetry 248 transpiration 270 video games 71 working dogs 81
transportation 258–259 Vikings 267 the world 275
Tt viruses 38, 160, 165 map 292–293
bicycles 36 voice box 149 World War I 276
tadpoles 163 cars 52 volcanic rock 213 World War II 63, 277
Taj Mahal 19, 29 rivers 211 volcanoes worms 139
tanks 277 ships 224 Wright brothers 137
tarantulas 238 space travel 237 Earth 84, 135, 184, 213, writers 283
taste 232, 249 trains 260 268 writing 280
teachers 274 treasure 193 ancient China 16
team sports 239 tree of life 286 planets 156, 196, 265 ancient Greece 67
tears 225, 226 trees 78, 109, 172, 261 volume (maths) 159, 269 Bronze Age 47
tectonic plates 84 trench warfare 276 volume (sound) 235 systems 284
teenagers 146 triangles 222, 248, 288 Voyager 2 spacecraft 264
teeth 79 Triceratops 80 Xx
telegraph 69 Triton 183 Ww
telephones 69, 250 Trojan War 278 X-rays 160, 192, 219
telescopes 32 troposphere 33 wading birds 39
television 251 trunks (trees) 261 wagon trains 14 Yy
temperature 252 tsunamis 85 war 67, 276, 277, 278–279
tundra 126 water 58, 106, 120–121, yellow dwarf stars 247
Earth 64 Turing, Alan 67
measuring 159 Turkey, Republic of 262 148, 211 Zz
planets 161, 264, 265 Turkish Empire 262 boiling and freezing 252
temples 18, 35, 158 turtles 74, 210 changing states 57 zebras 21, 124
termite mounds 23, 124 twilight zone 187 energy 60, 89 Zheng He 96
tertiary consumers 107 twins 119 life on Earth 83, 270 zoology 38
texting 69 two-dimensional shapes 222 pollution 198 zoos 281
thatch 244 Tyrannosaurus rex 80 sinking and floating 227
water cycle 64, 270
water sports 121
waves 85
weapons see war

303

Acknowledgments

The publisher would like to thank the following Cooper (bc). 91 123RF.com: quangpraha (cla); Songsak Paname (bl). com: Phanuwatn (br); Scriptx (bc). 192 123RF.com: Baloncici (ca/Heart rate
people for their help in the production of this book: Alamy Stock Photo: Mopic (br); Olaf Doering (cra). Dorling Kindersley: monitor); Stanislav Khomutovsky (clb/Atom). Dorling Kindersley: Science
Patrick Cuthbertson for reviewing the earliest history The Science Museum, London (fbl). iStockphoto.com: anyaivanova (cl). Museum, London (crb). Dreamstime.com: Giovanni Gagliardi (clb); Staphy
pages, Dr Manuel Breuer for reviewing the evolution page, 92 Alamy Stock Photo: Stephen Dorey ABIPP (clb). Dreamstime.com: (ca). Getty Images: mds0 (bc). 193 Alamy Stock Photo: Science History
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co.uk for allowing us to photograph their butterflies and Jim West (bc/Citrus). 98 Dreamstime.com: Christian Delbert (b); Orientaly DLR / IDA (bc). 198 123RF.com: Witthaya Phonsawat (c). Dreamstime.com:
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