网友回答：
the biggest nature park for panda in china is in sichuan. there is a research centre for nature and wild life there. scientists hope that one day they will have enough pandas to be set free and let them live in the wild again. the number of pandas is inc
温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。
