By Thanh Nga The grey limestone mountains of the Đồng Văn Karst Plateau take on a remarkably softer look each autumn, when delicate buckwheat flowers spread across the hillsides in shifting shades of ...
The grey limestone mountains of the Đồng Văn Karst Plateau take on a remarkably softer look each autumn, when delicate buckwheat flowers spread across the rugged hillsides in sweeping shades of white,...