Photo taken on June 20, 2011 shows a scene in Jiguan Cave, 3 kilometers west of Luanchuan County in Luoyang, central China's Henan Province. The Jiguan Cave is famous for the Karst landform inside. The cave, which was some 5,600 meters deep and was full of dazzling stalactites, stalagmites, stone pillars and so on, attracts many visitors. Photo: Xinhua
Photo taken on June 20, 2011 shows a scene in Jiguan Cave, 3 kilometers west of Luanchuan County in Luoyang, central China's Henan Province. The Jiguan Cave is famous for the Karst landform inside. The cave, which was some 5,600 meters deep and was full of dazzling stalactites, stalagmites, stone pillars and so on, attracts many visitors. Photo: Xinhua
A tourist takes photos in Jiguan Cave, 3 kilometers west of Luanchuan County in Luoyang, central China's Henan Province, June 20, 2011. The Jiguan Cave is famous for the Karst landform inside. The cave, which was some 5,600 meters deep and was full of dazzling stalactites, stalagmites, stone pillars and so on, attracts many visitors. Photo: Xinhua
Photo taken on June 20, 2011 shows a scene in Jiguan Cave, 3 kilometers west of Luanchuan County in Luoyang, central China's Henan Province. The Jiguan Cave is famous for the Karst landform inside. The cave, which was some 5,600 meters deep and was full of dazzling stalactites, stalagmites, stone pillars and so on, attracts many visitors. Photo: Xinhua
Tourists walk out of Jiguan Cave, 3 kilometers west of Luanchuan County in Luoyang, central China's Henan Province, June 20, 2011. The Jiguan Cave is famous for the Karst landform inside. The cave, which was some 5,600 meters deep and was full of dazzling stalactites, stalagmites, stone pillars and so on, attracts many visitors. Photo: Xinhua
