Acrobats perform during a rehearsal of an original play of Shanghai acrobatics troupe in their new circus pavilion in Shanghai, east China, July 1, 2016. The mobile circus pavilion was introduced from France and had undergone a two-month test for final operation. (Xinhua/Ren Long)

Acrobats perform during a rehearsal of an original play of Shanghai acrobatics troupe in their new circus pavilion in Shanghai, east China, July 1, 2016. The mobile circus pavilion was introduced from France and had undergone a two-month test for final operation. (Xinhua/Ren Long)

Photo taken on July 1, 2016 shows the new circus pavilion of Shanghai acrobatics troupe in Shanghai, east China. The mobile circus pavilion was introduced from France and had undergone a two-month test for final operation. (Xinhua/Ren Long)