
Workers make grids to contain the moving sand dunes along Linhe-Ceke railway in north China's Inner Mongolia Autonomous Region, April 14, 2021. With a total length of 768 kilometers, the Linhe-Ceke railway is one of the important junctions connecting Mongolia and China.

Workers make grids to contain the moving sand dunes along Linhe-Ceke railway in north China's Inner Mongolia Autonomous Region, April 14, 2021. With a total length of 768 kilometers, the Linhe-Ceke railway is one of the important junctions connecting Mongolia and China.

Aerial photo shows workers removing sand along Linhe-Ceke railway in north China's Inner Mongolia Autonomous Region, April 14, 2021. With a total length of 768 kilometers, the Linhe-Ceke railway is one of the important junctions connecting Mongolia and China.

Workers make grids to contain the moving sand dunes along Linhe-Ceke railway in north China's Inner Mongolia Autonomous Region, April 14, 2021. With a total length of 768 kilometers, the Linhe-Ceke railway is one of the important junctions connecting Mongolia and China.