The Spring Festival is an important Chinese holiday that originated in the Shang Dynasty and falls on the first day of the first lunar month. Traditions include cleaning homes, decorating with couplets and pictures, hanging lanterns, and spending time with family over the first three days. The Lantern Festival falls 15 days later and involves watching lanterns, guessing riddles, and eating rice dumplings. Other festivals described include Qingming (sweeping tombs), Dragon Boat Racing, the Double Seventh Festival celebrating the Cowherd and Weaver Maid star-crossed lovers, and the Mid-Autumn Festival involving the story of Hou Yi.