Brick carving artists work at workshop in Linxia Hui Autonomous Prefecture, northwest China's Gansu Province, April 24, 2017. Linxia brick carving, an ancient building decorative art, became a mature artistic form and prospered during the Ming (1368-1644) and Qing (1644-1911) dynasties, and was listed in 2006 as one of China's national intangible heritages. (Xinhua/Fan Peishen)
