![An aerial photo shows bends on a road in the Qibainong National Geological Park, located in Dahua Yao Autonomous County in South China\'s Guangxi Zhuang Autonomous Region, Feb. 20, 2019. The park features a unique karst landscape with mountain ranges, low-lying lands, valleys, caves, underground rivers, and an abundance of fossils. (Photo/IC)](http://www.ecns.cn/hd/2019/02/21/9c2d689526d94ed197d35f0c3bf43513.jpg)
An aerial photo shows bends on a road in the Qibainong National Geological Park, located in Dahua Yao Autonomous County in South China's Guangxi Zhuang Autonomous Region, Feb. 20, 2019. The park features a unique karst landscape with mountain ranges, low-lying lands, valleys, caves, underground rivers, and an abundance of fossils. (Photo/IC)
![An aerial photo shows bends on a road in the Qibainong National Geological Park, located in Dahua Yao Autonomous County in South China\'s Guangxi Zhuang Autonomous Region, Feb. 20, 2019. The park features a unique karst landscape with mountain ranges, low-lying lands, valleys, caves, underground rivers, and an abundance of fossils. (Photo/IC)](http://www.ecns.cn/hd/2019/02/21/6bf9ff1563204675bec1ea690817327e.jpg)
An aerial photo shows bends on a road in the Qibainong National Geological Park, located in Dahua Yao Autonomous County in South China's Guangxi Zhuang Autonomous Region, Feb. 20, 2019. The park features a unique karst landscape with mountain ranges, low-lying lands, valleys, caves, underground rivers, and an abundance of fossils. (Photo/IC)
![An aerial photo shows bends on a road in the Qibainong National Geological Park, located in Dahua Yao Autonomous County in South China\'s Guangxi Zhuang Autonomous Region, Feb. 20, 2019. The park features a unique karst landscape with mountain ranges, low-lying lands, valleys, caves, underground rivers, and an abundance of fossils. (Photo/IC)](http://www.ecns.cn/hd/2019/02/21/769b530f77b6437bbbd46a47de744f5c.jpg)
An aerial photo shows bends on a road in the Qibainong National Geological Park, located in Dahua Yao Autonomous County in South China's Guangxi Zhuang Autonomous Region, Feb. 20, 2019. The park features a unique karst landscape with mountain ranges, low-lying lands, valleys, caves, underground rivers, and an abundance of fossils. (Photo/IC)