Huanglong main ditch is recommended to take the ropeway up, and then go down the main ditch so that the body will be more relaxed, and you can also visit the entire main ditch scenic spot to the maximum extent, it is worth staying in the classic attractions. First, the colorful pool, Huanglong's highest attraction, is also the most abundant color attraction, the deep shallow pool color is also changeable. Second, the Yanchi pool, the color is the best, especially the dark pool green like a gem third, sand sand paved the floor, the largest area, a long slope, because of the terrain reasons, there is no way to form a calcification pool, only become a sand slope.