The air here is moist and fresh all year round, and the content of negative oxygen ions is up to 7,000 - 9,000 per cubic centimetre. It is a unique natural oxygen bar in the urban area. Of the 1,186 species of birds in China, 450 species can be observed in the wetlands, of which 68 species are protected by the state, many of which are still world-famous rare birds. It is a quiet, quiet, poetic and picturesque world.