A performer prepares to take a mask to perform Gaotai Dixi, a local folk opera staged on the open space of flat land, at Weiqi village of Puding county, Southwest China's Guizhou province, Feb 15, 2016. Performers wearing masks stage the opera on 48 tables laid in five layers in shape of pyramid, and sometimes jump down to sing and dance. The Gaotai Dixi opera mainly reflects and tells wartime stories in ancient times. [Photo/Xinhua]