When is the best season to go to the trough?

Langgu is one of the tourist attractions of Danxia landform, and it is more suitable to go in April and May.

The trough refers to the Parias Canyon on the vermilion cliff in northern Arizona, USA. The texture on its sandstone is like waves. It also refers to the wave valley of Yanjiazhaizi in Longzhou Township, 22 kilometers southeast of Jingbian County, commonly known as Yanjiazhaizi. It takes half an hour's drive from Jingbian County to Longzhou, which belongs to special wind erosion landform. The Jurassic Navajo sandstone was calcified for 65.438+0.9 billion years, and the sand dunes showed horizontal and vertical streamline in the process of wind erosion after calcification.

Surrounding attractions: Ming Great Wall, Zhenbeitai, Hongshixia, etc.