Time of publication: 2021-04-0815:58 Source: Editor in charge of Chengdu Civilization Network: Tian Huaixin, a Chinese good man -- Yuan Linian, the extreme minimum temperature is - 46 ℃, the average temperature is below - 1.6 ℃, there is no absolute frost free period, and the oxygen content in the air is only 46% of that in Chengdu
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