Photos taken in early March show blue sheep searching for food on snow-covered mountains in Aksai Kazakh Autonomous County, Northwest China’s Gansu Province. The blue sheep, under second class animal protection in China, excel at climbing cliffs. The county has increased efforts to protect the habitat of blue sheep in recent years, increasing animal numbers. (Photo: China News Service/Gao Hongshan)

Photos taken in early March show blue sheep searching for food on snow-covered mountains in Aksai Kazakh Autonomous County, Northwest China’s Gansu Province. The blue sheep, under second class animal protection in China, excel at climbing cliffs. The county has increased efforts to protect the habitat of blue sheep in recent years, increasing animal numbers. (Photo: China News Service/Gao Hongshan)

Photos taken in early March show blue sheep searching for food on snow-covered mountains in Aksai Kazakh Autonomous County, Northwest China’s Gansu Province. The blue sheep, under second class animal protection in China, excel at climbing cliffs. The county has increased efforts to protect the habitat of blue sheep in recent years, increasing animal numbers. (Photo: China News Service/Gao Hongshan)

Photos taken in early March show blue sheep searching for food on snow-covered mountains in Aksai Kazakh Autonomous County, Northwest China’s Gansu Province. The blue sheep, under second class animal protection in China, excel at climbing cliffs. The county has increased efforts to protect the habitat of blue sheep in recent years, increasing animal numbers. (Photo: China News Service/Gao Hongshan)

Photos taken in early March show blue sheep searching for food on snow-covered mountains in Aksai Kazakh Autonomous County, Northwest China’s Gansu Province. The blue sheep, under second class animal protection in China, excel at climbing cliffs. The county has increased efforts to protect the habitat of blue sheep in recent years, increasing animal numbers. (Photo: China News Service/Gao Hongshan)

Photos taken in early March show blue sheep searching for food on snow-covered mountains in Aksai Kazakh Autonomous County, Northwest China’s Gansu Province. The blue sheep, under second class animal protection in China, excel at climbing cliffs. The county has increased efforts to protect the habitat of blue sheep in recent years, increasing animal numbers. (Photo: China News Service/Gao Hongshan)