Great wall
Can you see up there? I climbed up all the stairs. Easy to step forward but much harder to go backward down. So steep. The first day in Tsinghua and Insead graduate school. Happy Thanksgiving!
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#摄影#photography#railway#轨道#地质_现象#树木#black-and-white#植物#transport#Thoroughfare#track#tree#黑白#plant#greatwall#monochrome#交通工具#geological_phenomenon
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如已安装应用将直接打开，否则前往应用商店。