A commentator (R, front) introduces a kneeling female figurine of the Han Dynasty during the exhibition "Tomb Treasures: New Discoveries from China's Han Dynasty" at the Asian Art Museum in San Francisco, the United States, on Feb 17, 2017. The exhibition featuring over 160 rare selections from recent excavations in China's Jiangsu province, is held from Feb 17 to May 28. [Photo/Xinhua]