Dancers perform a flash mob dance at the Hunan Museum in Changsha, Hunan Province, on Sunday. The international academic symposium commemorating the 50th anniversary of the excavation of the Mawangdui Han Tombs was held in Changsha on Sunday. A series of events was held to mark the event, showcasing the inheritance and innovation of Han culture to the public and enhancing public awareness and interest in Han culture. China News Service