Introduction to the Wetland Park: The periphery of the ancient city was originally a saline-alkali depression. Later, gates and canals were opened to divert water from the Fu River. The wasteland was developed to grow rice and ponds were excavated to raise lotus shrimps, turning the former saline-alkali land into The rice is fragrant, the carps are fat and the shrimps are strong, the lotus breeze fills the sleeves, and the fishing songs are lingering in the small Jiangnan of the north.