Beijing is on the edge of the Loess Plateau, an area bound by a huge 500-mile bend of the Yellow River and known for its fine sand, almost like ground flour.
Read MoreImagine a city of 12 million people, all on bicycles.
Read MoreBeijing is on the edge of the Loess Plateau, an area bound by a huge 500-mile bend of the Yellow River and known for its fine sand, almost like ground flour.
Read MoreImagine a city of 12 million people, all on bicycles.
Read More