Photo shows the view of the Xiangyu Ancient Castle located in the Qinhe River Valley in Jincheng city, north China's Shanxi province. [Photo/VCG]

The Xiangyu Ancient Castle, reputed as the "First Ancient Castle Cluster in North China", is located in the Qinhe River Valley in Jincheng city, north China's Shanxi province. The five-storied house, with a smooth and bright mirror-like surface in Xiangyu village, is by far the best-preserved storied residence in Northern China.