Photo taken on Nov. 15, 2014 shows yak heads displayed at Yak Museum of Tibet in Lhasa, capital of southwest China's Tibet Autonomous Region. Yak Museum of Tibet, the first yak-themed museum in the world, opened to the public here on Saturday. [Photo/Xinhua]

Photo taken on Nov. 15, 2014 shows a yak skeleton displayed at Yak Museum of Tibet in Lhasa, capital of southwest China's Tibet Autonomous Region. Yak Museum of Tibet, the first yak-themed museum in the world, opened to the public here on Saturday. [Photo/Xinhua]

Photo taken on Nov. 15, 2014 shows a saddle made of yak leather at Yak Museum of Tibet in Lhasa, capital of southwest China's Tibet Autonomous Region. Yak Museum of Tibet, the first yak-themed museum in the world, opened to the public here on Saturday. [Photo/Xinhua]

Photo taken on Nov. 15, 2014 shows equipment used on yaks at Yak Museum of Tibet in Lhasa, capital of southwest China's Tibet Autonomous Region. Yak Museum of Tibet, the first yak-themed museum in the world, opened to the public here on Saturday. [Photo/Xinhua]

Photo taken on Nov. 15, 2014 shows a wall painting showing yaks at Yak Museum of Tibet in Lhasa, capital of southwest China's Tibet Autonomous Region. Yak Museum of Tibet, the first yak-themed museum in the world, opened to the public here on Saturday. Photo/Xinhua]

Photo taken on Nov. 15, 2014 shows the gate of Yak Museum of Tibet in Lhasa, capital of southwest China's Tibet Autonomous Region. Yak Museum of Tibet, the first yak-themed museum in the world, opened to the public here on Saturday.[Photo/Xinhua]

Photo taken on Nov. 15, 2014 shows the logo of Yak Museum of Tibet in Lhasa, capital of southwest China's Tibet Autonomous Region. Yak Museum of Tibet, the first yak-themed museum in the world, opened to the public here on Saturday. [Photo/Xinhua]

Photo taken on Nov. 15, 2014 shows a yak head fossil displayed at Yak Museum of Tibet in Lhasa, capital of southwest China's Tibet Autonomous Region. Yak Museum of Tibet, the first yak-themed museum in the world, opened to the public here on Saturday. [Photo/Xinhua]

Photo taken on Nov. 15, 2014 shows yak specimens displayed at Yak Museum of Tibet in Lhasa, capital of southwest China's Tibet Autonomous Region. Yak Museum of Tibet, the first yak-themed museum in the world, opened to the public here on Saturday. [Photo/Xinhua]

Photo taken on Nov. 15, 2014 shows a tent made of yak hair at Yak Museum of Tibet in Lhasa, capital of southwest China's Tibet Autonomous Region. Yak Museum of Tibet, the first yak-themed museum in the world, opened to the public here on Saturday. [Photo/Xinhua]

Photo taken on Nov. 15, 2014 shows a boat made of yak leather at Yak Museum of Tibet in Lhasa, capital of southwest China's Tibet Autonomous Region. Yak Museum of Tibet, the first yak-themed museum in the world, opened to the public here on Saturday. [Photo/Xinhua]

Photo taken on Nov. 15, 2014 shows yak specimens displayed at Yak Museum of Tibet in Lhasa, capital of southwest China's Tibet Autonomous Region. Yak Museum of Tibet, the first yak-themed museum in the world, opened to the public here on Saturday. [Photo/Xinhua]

Photo taken on Nov. 15, 2014 shows an armor made of yak leather at Yak Museum of Tibet in Lhasa, capital of southwest China's Tibet Autonomous Region. Yak Museum of Tibet, the first yak-themed museum in the world, opened to the public here on Saturday. [Photo/Xinhua]

Photo taken on Nov. 15, 2014 shows an exhibition hall displaying yak heads at Yak Museum of Tibet in Lhasa, capital of southwest China's Tibet Autonomous Region. Yak Museum of Tibet, the first yak-themed museum in the world, opened to the public here on Saturday. [Photo/Xinhua]

　People visit the Yak Museum of Tibet in Lhasa, capital of southwest China's Tibet Autonomous Region, Nov. 15, 2014. Yak Museum of Tibet, the first yak-themed museum in the world, opened to the public here on Saturday. [PhotoXinhua]

Editor: Drolma Li