Photo taken on Jan 29, 2018 shows the night view of a lantern fair in underground courtyard in Shanzhou district of Sanmenxia, Central China's Henan province. The lantern fair is expected to be officially open for public on Feb 5 to celebrate the upcoming Spring Festival. Underground courtyard in Shanzhou, unique residence in mountainous areas of western Henan, is listed as the national intangible cultural heritage in 2011. [Photo/Xinhua]