Photo taken on Jan. 16, 2013 shows the view of Haltern grassland in Aksai Kazak Autonomous Prefecture of northwest China's Gansu Province, Jan. 16, 2013. (Xinhua/Hayrat)
A flock of Kiang, wild asses which are found on the Tibetan plateau, are seen in Aksai Kazak Autonomous Prefecture of northwest China's Gansu Province, Jan. 16, 2013. (Xinhua/Hayrat)
A flock of Tibetan antelope are seen on Haltern plateau in Aksai Kazak Autonomous Prefecture of northwest China's Gansu Province, Jan. 16, 2013. (Xinhua/Hayrat)
A flock of Tibetan antelope are seen on Haltern plateau in Aksai Kazak Autonomous Prefecture of northwest China's Gansu Province, Jan. 16, 2013. (Xinhua/Hayrat)
A flock of Kiang, wild asses which are found on the Tibetan plateau, are seen in Aksai Kazak Autonomous Prefecture of northwest China's Gansu Province, Jan. 16, 2013. (Xinhua/Hayrat)
A yak is seen on Haltern plateau in Aksai Kazak Autonomous Prefecture of northwest China's Gansu Province, Jan. 16, 2013. (Xinhua/Hayrat)
A flock of Tibetan antelope are seen on Haltern plateau in Aksai Kazak Autonomous Prefecture of northwest China's Gansu Province, Jan. 16, 2013. (Xinhua/Hayrat)
