Due to overpumping groundwater, hazard of mantled karst collapse may often take place there.

因过量，造成覆盖型岩溶塌陷灾害。

Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions, forcing people to use low-quality water for drinking.

过度做为饮用和用来灌溉在许多区已经降了几十米，迫人们用质量较差的来做为饮。