Who could think that the popular check-in point- Zhonggang Main Drainage used to be a stinky sewage place? After the comprehensive renovation, the place is completely different. Fish is swimming, turtles are sunbathing on the stones and birds are searching for food, an ecosystem with abundant species everywhere. Enter from the dream-like Rainbow Bridge, there are children's colored paintings on the walls along both sides of the river; with the on-site landscapes, 3D paintings are lively and vivid and make people personally on the scenes. Please don't miss the "color blocks," you have to take photos with them; the colorful large and small blocks scattered in the river, it's IG's most popular check-in spot for internet celebrities; either sitting or standing, you'll get beautiful photos.