In Jiuzhaigou Scenic Area, after visiting the Changhai, you don't need to take a sightseeing bus anymore. You can walk along the plank road to Wucaichi. This mountain road is more than 3,000 meters above sea level. The Wucaichi is hidden deep in the deep valley under the road. It is also an iconic attraction in Jiuzhaigou. Many propaganda paintings can be seen. The colorful pool is the smallest and most colorful of the many sea children in Jiuzhaigou. Highlights: The smallest sea, colorful, the best time to visit and use reference: afternoon, 20 minutes. The colorful pool is really small, so small that it can only be described as a pool. The water is pure and transparent, and the gravel and plants on the bottom of the pool are clearly visible. The colorful lake under direct sunlight is a good time to get out of the scenery. The gravel edges and corners of the bottom of the colorful pool, the texture of the rock surface, one by one, the pool water is blue and blue, and the brightness is transparent. The lake is full of aquatic plant communities such as sponges, algae, small alfalfa, and herbs such as aloe, throttle grass, and water wick. These aquatic communities contain different chlorophyll depths and can present different colors in the lake water rich in calcium carbonate. In the same lake, some waters are blue, some bays are light green, some water color is yellow, some spring powder blue... change endlessly. Because the colorful pool water is replenished by the long Haitian high, the room temperature is not frozen all year round, and the water volume is more balanced all year round, so you can see her beauty whenever you go. There is a natural love at the bottom of the colorful pool. It is said that people who love each other follow the steps to the colorful pool, silently make a wish, and climb 189 steps, they will definitely be able to love each other for life.