798 Art Zone (chinese: 798艺术区; pinyin: 798 Yìshùqū), or Dashanzi Art District, is a complex of industrial buildings, military, out of service, which were built in the mid-fifties, in Dashanzi in the Chaoyang district, in Northeastern Beijing, the fourth ring. Place after the end of the nineties he began to house a growing community of artists, cultural centers and galleries, found in each of the input and output of this district, a security guard on a small podium. In a kind of language of gestures universal, the artist asked the guard if I could get off for a moment to make a rubbing of the floor of the podium. Surprisingly and without any problem, the guard understood and agreed immediately.