Introduction to the first bay of the Nujiang River: From Dandang, Gongshan County, go north along the Gongbing Highway on the west bank of the Nujiang River. The journey is about 30 kilometers. The scenery along the way is beautiful, with lush forests on both sides. What is even more amazing is that you can watch To the first bay of the Nujiang River in a thousand miles. The rolling Nu River was blocked by a marble cliff, and the water flow turned from north to south to east to west. However, after rushing for more than 300 meters, it was blocked by the steep slope of the mountain. It had to turn around again and make a sharp turn from west to east, and then from north to south. Therefore, in This forms a large semicircular bay, known as "the first bay of the Nujiang River in a thousand miles".