I posted a message on WeChat Moments and it turned out that this is not Jeju Island but Dongti Park in Tianjin!

Tianjin Dongdi Park is the closest coastline to Beijing, and it is very convenient for taking the kids out for a walk on weekends. Tianjin Binhai New Area Dongdi Park has a 3-kilometer seaside trail and is the only seaside park in Tianjin surrounded by the sea. You can enjoy the sea breeze and listen to the waves up close. You can camp in the park⛺️, watch the sunrise over the sea, fish, and barbecue. Attraction address: Junction of Haixu Road and Dongdi Road, Binhai New Area (Dongdi Park) ⏰Business hours: All day tickets 🎫 free 🅿️: Parking is free and there are parking lots along the coastline 👉 Recommended activities You can’t miss this gem of a place to watch the sunrise! The scenery is breathtaking, the photo taking effect is first-rate, and it is sparsely populated and extremely quiet. Personally, I think the sunrise here is more beautiful than that in the Seaside Park. Want to experience the fun of camping? This is definitely the first choice. The vast open space allows you to camp to your heart's content ⛺️. Many people choose to spend the night in a tent and enjoy the magnificent sunrise in the early morning. There is also a public toilet nearby for use, which also has running water, which is very convenient. The park stretches along the coastline. At the end, you can also visit the Mazu Cultural Park. Along the way, you will see historical landmarks such as lighthouses, bridges and reefs, and any shot of them will turn out to be a blockbuster. The park also has some child-friendly facilities such as sand pits and slides, which is definitely a good place to take your kids out. Surrounding attractions include the National Maritime Museum, Nanwan Park (excellent sand), Mazu Cultural Park and Langhua Art Museum, which will keep you entertained. On the seaside boardwalk, you can rent a sightseeing car for multiple people and ride around with your family, which is very pleasant. In addition, some people dig shellfish on the rocks by the sea, go sea fishing or set cages. ‼ ️Things to note There is no commercial street nearby, so you need to bring your own food and items. Please pay attention to safety when camping and barbecue. You can rent tents or barbecue items🦐. Pets are allowed in the park for free.