grassland in North China and Qinghai-Tibet Plateau
North China and Northeast China region
northern margin of North China landmass
China and its adjacent land and sea regions
China and its adjacent regions
China and its neighborhood
East China and its vicinity
NE China and its neighboring areas
Northeast China and its vicinity
northwestern China and its adjacent region
Great Debate between British and North American Schools
south-exhibition and north-ice strategy
’South bridge and north tunnel’ option
13 provinces in North China
Agriculture-animal husbandry ecotone of North China
agro-pastoral ecotone in North China
agro-pastoral transition zone of north china
Alluvial plain of north China