Jan.6, 2017 -- Photo shows the view of a clay mask studio, which is a traditional folk manufacturing skill in Xog Town, Dagze County, Lhasa City, Tibet Autonomous Region. [Photo/China Tibet News/Xiao Yong]

Jan.6, 2017 -- Penpa, a technician of Lhasa Ancient Art Architectural Artistic Company, is making clay masks. [Photo/China Tibet News/Xiao Yong]

Jan.6, 2017 -- Photo shows clay masks hung in the exhibition hall of the cooperative in Xog Town, Dagze County, Lhasa City, Tibet Autonomous Region. [Photo/China Tibet News/Xiao Yong]