The temperature dropped sharply over Tanggula Mountain. Fortunately there is a rescue station that

Hello everyone I'm Brother Heng Piao Takeaway
He resigned from Zhengzhou in 2017 and came to Hengdian
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Hengdian# Takeaway

[@山太平]

天空很美

[@任勇-v3e]

那个是热管，吧地底下得热量释放出来，高原冻土路都有这个