Beidaihe is a very beautiful beach.It's not far from the capital city Beijing.It's only about four hours' drive from Beijing to Beidaihe.The sand there is clean and soft.The sea is very clean.Every summer there are thousands of people on the beach.Some of them pick shells,some of them build sand castles,others swim in the sea.There are lots of hotels and restaurants around the beach.You can have many different sea food there.I'm sure you will have fun there.