55/ one. Sanmenxia is called "Swan City". Swan Lake National Urban Wetland Park is located in the East-West Ecological Zone of Sanmenxia City, covering an area of1.2000 mu. It is a natural scenic spot integrating ecology, culture and human geography, attracting more and more tourists to stop and linger. The park mainly includes three parts: Shuanglong Lake White Swan viewing area, Shaanxi ancient city and ecological forest belt along the Yellow River. Every year, tens of thousands of white swans come here for the winter, and thousands of white swans fly freely on the sparkling lake in the scenic spot. The main attractions are Shuanglong Lake White Swan viewing area, Zhao Gong Island Peony viewing area, Sunshine Island July Resort and Wetland Park. 2.png Swan Lake preferential policy: free policy: 1.2 meters (inclusive) children are free; Disabled revolutionary servicemen, active servicemen and disabled persons are free with relevant valid certificates; Visitors over 70 years old (including 70 years old) are free with valid certificates; Preferential policies: children from 1.2 meters (excluding) to 1.5 meters (including) can buy children tickets; 60-69-year-olds can buy half-price tickets with their ID cards or old-age cards; Full-time primary and secondary school students can buy half-price tickets with their student ID cards;