Based on the world record nomination from Asia Records Institute (ASRI)  and Decision No. WK/USA.INDIA/624/2020/No.80, World Records Union (WorldKings) officially declared Panjin Red Beach is world's biggest wetland and reed marsh on December 3, 2020.

Red Beach, located in Dawa County, Panjin, Liaoning, China, is famous for its landscape featuring the red plant of Suaeda salsa of the family Chenopodiaceae. It is based in the biggest wetland and reed marsh in the world. The landscape is composed of shallow seas and tide-lands.

The Sueda is one of the few species of plant that can live in highly alkaline soil. Its growth cycle starts in April when it is coloured light red, while the colour of the mature species is deep red.
Panjin Shuangtaizi River mouth state-level nature protection area preserves the most completed ecosystem and the biggest wetland in the world. More than 260 kinds of birds and 399 kinds of wild animals live in it.

It attracts many tourists. The reeds are used to make paper. The red-crowned crane also reproduces here and it is also the endangered black-mouth gull's largest breeding area. 

According to en.wikipedia & boredpanda