Flood in the Planina Plain, in the karst basin of the Ljubljanica River, Slovenia (© Ales Komovec/Rex Features)

【February 5 2015】Planina Plain is a karst basin in southwestern Slovenia. Below the trees and topsoil is the limestone “karst” – soft limestone carved up by the various rivers that run both above and below ground. Some of the flowing waters cut caves, others set the stage for floods, like the one we see here.Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..