Frozen river sweeps through Inner Mongolia

An aerial photo of the Mergel River in North China's Inner Mongolia autonomous region in early spring. [Photo by Bao Wenrui/ for chinadaily.com.cn]

The Inner Mongolia autonomous region's Mergel River, which flows through Hulun Buir Grassland, is known worldwide. The snaking 150-kilometer-long river bends like a white ribbon across the grassland, while the grass is still withered and water remains frozen in the early spring.