Slide 32 of 36: Pictured here is an abandoned tourist resort that collapsed into one of the sinkholes in 2016. Sinkholes have formed as a lot less water is now flowing into the Dead Sea from the River Jordan because people have diverted it for irrigation. If this continues, experts have warned that the Dead Sea could dry out by 2050. There are moves to direct more water into the Dead Sea from the River Jordan. Time will tell if it can be restored to its former levels. Discover more of the world's landmarks under threat from climate change.