Reka Pigniczky, the 56films production's documentary director and co-director Pierre Francois stayed in Shanghai in May 2009 for 1 week to meet with professionals and understand the context of  Hudec buildings today. Reka Pigniczky made interviews with Hudec researchers and met potential co-production partners. In addition, they tried to detect the very emblematic moments of people's life and the atmosphere of the metropolis.