根据短文内容，判断下列句子正误。

Hello! We are students from Thailand. And we want to save the elephants. The elephant is one of Thailand's symbols(象征). Our first flag(国旗) has a white elephant on it. This is a symbol of good luck.

Elephants are clever. They can play football. They can also draw very well. Elephants can walk for a long time and never get lost. They can also remember places with food and water.

But they are in great danger now. People cut down too many trees, so elephants lose their homes. People also kill elephants for the ivory(象牙) . There were more than 100, 000elephants before, but today there are only about 3, 000 in Thailand. We must save the elephants and not buy things made of ivory. Remember that 13th March is Thailand Elephant Day.