A Tibetan woman grinds pigments to make Tangka at Norbu Lingka in Lhasa, capital of southwest China's Tibet autonomous region, Aug 3, 2013. The third Tangka Art Exposition lowered its curtain on Saturday here as a total of over 230 pieces of Tangka works were displayed during the nine-day exhibition. Originated from Tang Dynasty, Tangka is a unique style of traditional Tibetan scroll paintings found only in China's Tibetan areas.[Photo/Xinhua]