It was mentioned that Temuujin (Genghis khan's childhood name) moved to in the Khukh Lake ( Blue Lake ) of Kar Zurkh (Black heart) of Sengur which exists Khurelkh. Khar Zurkh is a point topped mountain with forest in its shady side and no trees in its front slope. The stone of Ger. ruin with diameter of 15 meters is on the south side of this lake. It would be ruin of the Palace where Genghis Khan was was entitled as a Khan of Mongols in 1189 . The land around the lake is a region as a taiga forest zone and vast depression surrounding mountain ranges.