There are four seasons here in Beijing,spring,summer,autumn and winter.Spring is warm and sometimes windy.In spring,the trees become green and the flowers come out.Children go out of the house in their beautiful clothes,Everything seems beautiful .It is hot in summer and sometimes it rains heavily.Autumn is the busiest season of the year.It is cool in autumn.So autumn is a good season to travel.Winter is the coldest season.People wear warm clothes.It sometime snow.