Aerial photo taken on Feb. 5, 2018 shows night view of ancient county seat of Taiyuan, in Taiyuan City of north China's Shanxi Province, Feb. 5, 2018. The 600-year-old ancient county seat of Taiyuan of Ming Dynasty (1368-1644) was decorated with 141 sets of holiday illuminations during a local carnival. (Xinhua/Zhan Yan)