Inspired by the precious species "finless porpoise" living in Poyang Lake, Jiangxi, China, the finless porpoise and ocean elements run through the whole space, showing the dancing posture of finless porpoises flying between the ocean and the warm sun, using flowing lines and rich colors to depict a beautiful scene full of movement and change, and calling on everyone to pay attention to the restoration and construction of the ecological civilization of the Yangtze River and maintain the ecological beauty.