Introduction to the Wetland: The third part of the Walking into the Wetland takes Liaohe River ecology and Liaohe River management as clues, takes wetlands, environmental protection, and urban construction as the themes, and focuses on a series of topics such as ecology, wetlands, environmental protection, and urban construction and development. Eco-environmental issues, based on a scientific attitude, use pictures, scenes, artistic layouts, projections and other sound, light, electricity and other display art forms to create a special museum of Tieling Wetland and New City Construction Achievements and Experience: Wetland Protection Exhibition base; wetland knowledge popularization education classroom, wetland reconstruction learning board, urban construction leading model, Liaohe River management and protection training center, eco-tourism attractions, charm, leisure, entertainment, vacation, ecological charm and unique thematic pavilion.