A citizen looks at the giant tangka on display in the Qinghai Tibetan Culture Museum in Xining City, capital of northwest China's Qinghai Province. The giant tangka, made in Tongren County of Huangnan Tibetan Autonomous Prefecture in Qinghai Province, is 74 meters long and 30 meters wide. Tangka is a Tibetan silk painting with embroidery, ususally depicting a Buddhist deity, famous scene or mandala of some sorts.[Photo by Zhang Hongxiang/Xinhua]