Photo taken on Nov. 7 shows that the winter scenery of Yamdrok Lake in Nagarze County of Shanna Prefecture, southwest China’s Tibet Autonomous Region. Yarmdrok Lake, the largest freshwater lake at the foot of the Himalayas, is one of Tibet's three holy lakes, together with Nam Co and Mapam Yum Co. Covering 638 square kilometers. The water of Yamdrok Lake enjoys an average altitude of more than 4,000 meters. It is believed to be the female guardian of Buddhism in Tibet. [ Photo/Zhu Shan ]

Photo taken on Nov. 7 shows that the winter scenery of Yamdrok Lake in Nagarze County of Shanna Prefecture, southwest China’s Tibet Autonomous Region. Yarmdrok Lake, the largest freshwater lake at the foot of the Himalayas, is one of Tibet's three holy lakes, together with Nam Co and Mapam Yum Co. Covering 638 square kilometers. The water of Yamdrok Lake enjoys an average altitude of more than 4,000 meters. It is believed to be the female guardian of Buddhism in Tibet. [ Photo/Zhu Shan ]

Photo taken on Nov. 7 shows that the winter scenery of Yamdrok Lake in Nagarze County of Shanna Prefecture, southwest China’s Tibet Autonomous Region. Yarmdrok Lake, the largest freshwater lake at the foot of the Himalayas, is one of Tibet's three holy lakes, together with Nam Co and Mapam Yum Co. Covering 638 square kilometers. The water of Yamdrok Lake enjoys an average altitude of more than 4,000 meters. It is believed to be the female guardian of Buddhism in Tibet. [ Photo/Zhu Shan ]

Photo taken on Nov. 7 shows that the winter scenery of Yamdrok Lake in Nagarze County of Shanna Prefecture, southwest China’s Tibet Autonomous Region. Yarmdrok Lake, the largest freshwater lake at the foot of the Himalayas, is one of Tibet's three holy lakes, together with Nam Co and Mapam Yum Co. Covering 638 square kilometers. The water of Yamdrok Lake enjoys an average altitude of more than 4,000 meters. It is believed to be the female guardian of Buddhism in Tibet. [ Photo/Zhu Shan ]

Photo taken on Nov. 7 shows that the winter scenery of Yamdrok Lake in Nagarze County of Shanna Prefecture, southwest China’s Tibet Autonomous Region. Yarmdrok Lake, the largest freshwater lake at the foot of the Himalayas, is one of Tibet's three holy lakes, together with Nam Co and Mapam Yum Co. Covering 638 square kilometers. The water of Yamdrok Lake enjoys an average altitude of more than 4,000 meters. It is believed to be the female guardian of Buddhism in Tibet. [ Photo/Zhu Shan]

Photo taken on Nov. 7 shows that the winter scenery of Yamdrok Lake in Nagarze County of Shanna Prefecture, southwest China’s Tibet Autonomous Region. Yarmdrok Lake, the largest freshwater lake at the foot of the Himalayas, is one of Tibet's three holy lakes, together with Nam Co and Mapam Yum Co. Covering 638 square kilometers. The water of Yamdrok Lake enjoys an average altitude of more than 4,000 meters. It is believed to be the female guardian of Buddhism in Tibet. [ Photo/Zhu Shan ]