假设你是李雷,请你给在美国的朋友Mike写一封信,告诉他人们在中国是怎么过中秋节的.

Dear Mike
Hello.
Our country masses to celebrate the festival has a custom of eating moon cakes,saying:" ten August May is full,fragrant and sweet moon cakes,moon cakes" was originally used as Luna's offerings,the "moon cakes ",first appeared in the Southern Song Dynasty Wu Zimu's" Menglianglu",then,it would just be like water chestnut cake the same pie food,then people gradually to the full moon and eat moon cake together,family reunion on behalf of moral,
Your friend; Li Lei