Halong Glacier, Qinghai-Tibetan Plateau, China. View looking up the Halong Glaciers valley. Two climbers are seen on the foreground ridge.The Halong Glaciers, Mount Anemaqing count for over 96% of the total glacier that feed water into the source of Yellow River. During the past 30 years, Halong Glaciers have retreated by 17%. An alarming indicator of climate impact on the source of China's mother river, the Yellow River.