Introduction to sightseeing and observation towers: There are many sightseeing towers and observation towers in the protected area to facilitate tourists to appreciate the beauty of Nanweng River. Among them, the Qinglin Wetland Observation Tower is 24 meters high and is famous for its ability to simultaneously view different types of river wetlands, oxbow lake wetlands, swamp wetlands and island forest wetlands around it; the Island Forest Observation Tower is 30 meters high. Trees and shrubs such as Xing'an larch, white birch and thorn rose are the main objects of observation, and the content of the observation is meteorological gradient and energy balance; the bird observatory is a good place to watch bird breeding and migration in spring, summer and autumn.