المحتويات. / 40°N 110°E / 40; 110. Snow encircling the area around the بحر بوهاي . On November 11, 2010, a wall of sand blew across northern China, covering much of the North China Plain and Shandong Peninsula . Dense smog settled over the North China Plain on February 20, 2011. ^ "The People's Republic of China" (7 ...