请根据下列提示内容写一篇短文，介绍一下北京动物园 "Beijing Zoo" 。要求：60词左右。提示：1. 北京动物园在北京西城区（district），每天7:45开馆；2. 园内人约有5000只动物，有来自南非的狮子，泰国的人象，中国的熊猫等；3. 每年大约有500万游客到此参观。

The Beijing Zoo is a very big zoo. It's in the Xicheng District. It opens at a quarter to eight every day. There are about 5, 000 animals in the zoo. There are lions from South Africa, elephants from Thailand, pandas from China and so on. They are very cute. What's more, about 5, 000, 000 people visit it every year. If you have time, please come and visit it.