After an earthquake in Sichuan, China, a destroyed city is rebuilt nearby in an astoundingly quick two years. But for the survivors, rebuilding their lives will take much longer. Fallen City premieres Monday, July 28, 2014, at 10 PM on PBS stations.

Fallen City director Qi Zhao is taking your questions in a live chat. Tuesday, July 29, 2014, at 11 AM ET (8 AM PT).