The Mid-Autumn is a very important Chinese festival. It falls on the 15th day of August. A few days before the festival, everyone in the family will help to make the house clean and beautiful. Lanterns will be hung in front of the house. 　　On the evening there will be a big family dinner. People who work far away from their homes will try to come back for the union. After dinner, people will light the lanterns which are usually red and round. Children will play with their own toy lanterns happily. 　　At night the moon is usually round and bright. People can enjoy the moon while eating moon-cakes which are the special food for this festival. They can look back on the past and look forward to the future together. It is said that there was a dragon in the sky. The dragon wanted to swallow up the moon. To protect the frighten the dragon away.