XINHUA A Chinese cave exploration team on Friday, May 6, discovered a giant karst sinkhole in Leye County, in the south the country’s Guangxi Zhuang Autonomous Region, bringing Leye’s number of such sinkholes to 30. https://v.xinhua-news.com/dsp_AV/avc_video/202205/08/124bc7afe2404e459f0612cd3956c983_2048k_L.mp4 China’s sinkholes are similar to the underground waterways cenotes found in Mexico’s Yucatan Peninsula. The massive newly discovered Guangxi sinkhole measures 306 meters in