Cai Shuikuang, an artisan, introduces skills of lacquer thread sculpture to visitors at Fujian straits folk art gallery in Fuzhou on April 11. 40-plus exquisite lacquer thread sculptures created by six artisans of the Cai School are on display at the gallery. As a unique type of folk artwork with a long history, lacquer thread sculpture in Xiamen was listed as a national intangible heritage in 2006. [Photo/Xinhua]