Gold Sea, Mongolian means Adong Mulagu Lake. According to legend, when Genghis Khan led the troops, the golden urn that was left was turned into a golden sea. There is also a legend that a pair of golden sheep came down from the yak mountain, drinking water at the lake and taste the water. Sweet and sweet, I would not go back to the mountain and enter the lake, so the lake is called the golden sea. The west side, northwest side and east side of the sea are surrounded by sand hills. The sand is so delicate. The southeast side of the sea is high reeds and nearly 100 meters of grass belts, attracting birds, cattle and sheep for food. Playful and restful. Golden Sea is made up of a sweet spring water, so the water is extremely clear, there are a lot of fish in the water, and through the archaeological discovery, the east side of the gold sea is the cultural accumulation layer of the Bronze Age, with stoneware and Nomuhong culture. A piece of sand brown pottery jar. In the Gobi Desert, there is such a pool of sweet spring water that nourishes the surrounding herders and nourishes all the creatures on this land.