Beijing, July 25 (Youth.cn) - A historical and cultural exhibition opened in Nanjing Museum on July 24th. It is the first time that an exhibition held in Nanjing that focus on history and cultural exchanges in Southern and Northern Dynasties. Set historical figures and clues, 302 precious cultural relics tell about cultural exchanges and mutual learning between civilizations in Southern and Northern Dynasties. The exhibition is supported by several provincial museums and cultural institutions. Photo/VCG