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This festival is in autumn. Families and friends get together to enjoy the full moon. People often eat moon cakes.
It's a holiday for working people. It's on May 1st. People often take a short trip.
It's Tree-planting Day. People often plant trees on that day.
It's a traditional Chinese festival. In many places people eat zongzi and have dragon boat races.
It's World Earth Day. People often pick up litter to keep our environment (环境) clean.