With a height of more than 200 meters , the wonder - displaying gate xiansheng men are of two huge rocks that share a span of only several meters on the top . so cloudy and misty during the daytime and night , the " gate " is titled " first gate under heaven " 显胜门高达200余米,壁顶相隔仅数米,抬头仰望, “非亭午夜分,不见曦月” ,有“天下第一门”之誉。