The earthquake is one of the most impressive geological phenomena. 地震是一种最令人印象深刻的地质现象。
Varying from brown to red, from ochre to pink and purple, these polychrome dunes are the results of a rare geological phenomenon. 园内土壤从棕色到红色再从赭色到紫色，这个多彩的土丘产是一种罕见地质现象。
