The document provides instructions for a group of students to revise an outline for an essay on the Mid-Autumn Festival and then write a 500-word essay based on the revised outline. It then provides background information on the history and traditions of the Mid-Autumn Festival in China, including how families would gather on the 15th day of the 8th month, eat mooncakes, light lanterns, and appreciate the full moon, tracing the festival's origins back over 2000 years.