Tung Kyong Duh – Between the villages of Hee Gyathang and Barfok in lower Dzongu is the holy lake of Tung Kyong Duh is located. There are many legends associated with the lake as per one story when Thinggockmu asked Nyu Kyongbu to demonstrate her powers, she let loose her hair and dropped lice into the lake which later became fish called Dengnuelick. Their children and the subsequent generations are called the Heemo, a Lepcha clan. The Heemos believe that if the silver fish in the lake becomes extinct, their clan will die out and thus the lake is extremely sacred to them. Secondly they even have an annual prediction based on the population of the fish in the lake.