The Matisi Grottoes cover about 100 square kilometers in Sunan, a Yugu ethnic autonomous county 600 kilometers from Gansu's provincial capital Lanzhou.
The Tiantishan Grottoes in central Gansu province's Wuwei county were dug about 1,600 years ago. Tianti means "ladder to the sky" and shan means mountain.
Often called the Mother River in China, the Yellow River at 5,464 kilometers, is the country's second-longest after the Yangtze River.
Wenxian Tianchi Lake National Forest Park is located in Longnan city’s Wenxian county, Gansu province, Northwest China.
Yellow River Stone Forest is located in Longwan village in Jingtai district of Baiyin city. It was formed by the rising of the Earth's crust.
Hexi Corridor in Northwest China's Gansu province refers to a string of oases stretching for some 1,000 kilometers from the Wushaoling hillside near Lanzhou to the Jade Gate, at the border of Gansu and Xinjiang.