northern North China Platform
agriculture-pasturage ecotone in Northern China
calcareous soil in Northern China
Cities in northern China
continent of northern China and adjacent areas
desert region in northern China
desert regions in northern China
desertification in the northern China
deserts of northern China
Drought and flood in Northern China
drought in northern China
dryland field in Northern China
Farming_pastoral area in the Northern China
farming-grazing zone in northern China
farming-pastoral ecotone of Northern China
Farming-pastoral zone of northern China
grassland in northern China
greenhouse of northern China