Iceland(Bingdao) is the hometown of Mengku large-leaf tea. Mengku Town is located in the north of Shuangjiang Autonomous County. Bingdao tea is a kind of Pu'er tea. Bingdao is in the northernmost part of Mengku Town, 33 kilometers away from Mengku Town, bordering Nanmei Township, Lincang City. It takes more than a few hours to get there by car from Mengku Town along the Nanmeng River. The well-known Bingdao Lake, with moist water vapor nurturing a continuous group of ancient tea trees, is dozens of kilometers in radius, with an altitude of about 1,600 meters. The biggest feature of Bingdao Pu'er tea is that the location of the tea mountain is the most attractive. There are no developers who purely pursue commercial value, and there are no prosperous markets. Tea trees grow freely here and breathe freely, which objectively also achieves the original ecological quality of tea trees in the tea mountain. Characteristics of Bingdao ancient tree tea: fresh and sweet taste, low bitterness, long-lasting recovery, soft and unobtrusive aroma, with honey orchid and rock sugar fragrance, long-lasting hanging cup fragrance, suitable cold cup fragrance; dry tea, thick strips, fat buds.