Even with my eyes closed I could feel it. An emptiness of everything and a simultaneous filling of nothing. Walking as far as the edge goes, I opened my arms to embrace the nothing and the everything. The breeze kissed my cheeks and messed up my hair. With the Tianmen Mountain behind me, saying I was walking on top of it wasn’t quite the truth. In fact, I was following a path built on the cliff face of the mountain, with metal railing painted and sculptured to look like wood. At 1400 meters high, initially it felt like walking on the clouds, but when they disappeared, the houses were like…