ZD
Zhihu Dailycommunity
#29Rank reported by source
Original source Where did ancient people get so much firewood for cooking?
古代人做饭时哪来的这么多柴火的？
A public trend signal observed across 1 source.
Provenance
1 sources古代人做饭时哪来的这么多柴火的？
A public trend signal observed across 1 source.