ZD
Zhihu Dailycommunity
#30Rank reported by source
Original source Why do some people think the entire North China Plain is the Yellow River Delta?
为什么会有人认为整个华北平原都是黄河三角洲？
A public trend signal observed across 1 source.
Provenance
1 sources为什么会有人认为整个华北平原都是黄河三角洲？
A public trend signal observed across 1 source.