Xiaotanshan Self-Built Observatory

There is heavy snow all year round in Fairbeikli, and the sky is covered with snow. There is no life in the air. Only the tall statue of Alyosha and the solemn glacier in the distance are relatively silent. It's perfect for permafrost to seal up secret thoughts. If Tan Youming had not shown up that day... *Reply to the extra chapter based on Shen Tan, and write your own Shen Tan story. *Completely independent story line, please avoid the original story. *Friends who are not familiar with the settings recommend reading the replies and extras, and you won't lose money by investing in it. *Timeline: I started writing the extra story almost a year back from the New Year.