Visitors view the bronze heads of cow, tiger, monkey and pig during an exhibition of treasures of the Yuanmingyuan at the Shandong Provincial Museum in Jinan, capital of east China's Shandong province, Jan 9, 2015. Bronze heads of cow, tiger, monkey and pig, and more than 100 relics from the Yuanmingyuan were on display in the exhibition. [Photo/Xinhua]