A special tourism promotion activity was held at Zhangye Danxia National Geological Park in northwest China’s Gansu Province on Saturday to celebrate the upcoming International Women's Day. /VCG Photo

Thousands of visitors came to Binggou Danxia scenic area, also known as the Ice Valley, for a free tour and attended the hiking activity through Danxia landform areas. /VCG Photo

The Danxia landscape was formed over millions of years of tectonic movement and natural erosion of compact sand and mudstone soil, giving rise to caves and colorful rock formations. /VCG Photo