Photo taken on Jan 13, 2017 shows night scene of a lantern fair held at underground cave dwellings in Shanzhou District of Sanmenxia, Central China's Henan province, Jan 13, 2017. The lantern fair displaying 151 illuminated lantern groups kicked off on Friday and will last till Feb 28. The underground cave dwelling in Shanzhou is a specific architectural style in western regions of Henan.[Photo/Xinhua]