Where cannot we find the “columnar joints”? A: Fangshan in Nanjing B: Leshan in Chengdu C: Ermei Mountain in Sichuan D: Tengchong in Yunnan
Where cannot we find the “columnar joints”? A: Fangshan in Nanjing B: Leshan in Chengdu C: Ermei Mountain in Sichuan D: Tengchong in Yunnan
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