Visitors explore the museum themed around the Yijin City's site in Hangzhou's Lin'an, Zhejiang province, on Wednesday, as the museum officially opens to the public free of charge. With 6,500 square meters of exhibition space, the museum showcases archaeological remains dating back more than 1,300 years, from the Five Dynasties and Ten Kingdoms (907-960) to the Yuan Dynasty (1271-1368).