Where are the seagulls in Haihe, Tianjin at night?

On rocks near the coast, on thick branches, etc. The best place to watch in winter is on the Liuzhuang Floating Bridge. Watch the night view of Haihe River at night. Seagulls in Haihe River in Tianjin are on rocks and thick branches near the coast at night. Seagulls (scientific name: Laruscanus) are also called gulls, common seagulls, Oriental seagulls, Eastern Common Gull.