Here is the world's largest funnel with a length of 650 meters, a short diameter of 490 meters and a depth of 208 meters. It consists of seven halls, the world's largest cave in space, Tianquan Cave... a corner - "stalactites, stalagmites, pillars, stone flowers, mantles, side stone dams with gorgeous lights, beautiful wheels. The most + funnel crown + stone sea surge + stone peak Stand + Bo people's tracing + Miaoxiang amorous feelings = "world wonders" Xingwen Shihai.