Diexi earthquake(M7.5)in 1933 is a great event that occurred at the east border of Qinghai- Xizang Plateau in the 20th c......

在世界地质公园旅游兴旺发展的大背景下,从交通区位、旅游资源、旅游发展环境和区域旅游联系四个方面对四川茂县叠溪地质公园的旅......