Great wall
The first day in Tsinghua and Insead graduate school. Happy Thanksgiving!
9327012保留所有权。
#dam#地质_现象#Beijing#greatwall#Water#infrastructure#墙#tsinghua#hill_station#水#reservoir#geological_phenomenon#wall
评论 0
The first day in Tsinghua and Insead graduate school. Happy Thanksgiving!
评论 0
