Wonders of nature

Yesterday our science teacher showed us some pictures about the wonders of nature. I was so impressed by them that I asked her to lend them to me, so that I could see them at home again. Here they are. In the first picture you can see there is the man's best friend and cat's worst enemy, the dog. In this same photograph you can also see two mountains, but they aren't as high as the Everest, the highest mountain in the world. And the small river on the left isn't the Nile, of course. In the second picture there are some elephants. The elephants are said to have the best memory. African elephants are the smallest ones because Indian elephants are bigger than African ones. In this photograph you can also see the tallest animal, the giraffe, and the fastest one, the cheetah. The biggest mammal in the world appears in the third picture. It is the blue whale. The longest ones are up to 34 metres and they weigh up to 135 tons. But we have to take care of them because they are an endangered species. In the same picture you can see the worst shark, the Great White. It's the most dangerous shark in the world and maybe the deadliest assassin of the animal kingdom. The biggest white sharks are up to seven metres long and weigh up to 18 tons. Isn't it amazing? I hope you have enjoyed yourself as much as I enjoyed my science class yesterday.