the part of northern margin of North China platform

Northern margin of North China Craton

northern margin of North China Platform

the northern margin of North China Block

north margin of North China Plate

north margin of North China platform

the middele north margin of North China Block

the middle north margin of North China craton

the north margin of North China platform

southern margin of North China Craton

tectonic belt of northern margin of Yunkai block

structural belt of north margin of Caidam basin

the north of North China

continent of northern China and adjacent areas

deserts of northern China

farming-pastoral ecotone of Northern China

Farming-pastoral zone of northern China

greenhouse of northern China

middle segment of the northern margin of the North China craton