Chinese President Xi Jinping on Wednesday visited San Su Ci, the memorial temple and former residence of Su Xun and his two sons, Su Shi and Su Zhe, three literary masters of the Northern Song Dynasty (960-1127). Xi made the visit during his inspection tour of the city of Meishan in southwest China's Sichuan Province. With its collection of thousands of documents related to the Su family and the calligraphy work, the temple is a significant national cultural relic.