“Ice Age” by Alvin Wu. Location: Tibet “This is a blue ice lake, Pumoungcuo, at an altitude of 5.070 meters (16,600 feet). This lake, located in Tibet, freezes every winter. At night, under the low temperatures of minus 20 °C (-4 °F), you can listen to the sound of the ice cracking while capturing the most beautiful winter sky. The blue ice surface and dazzling Orion constellation