A way to predict sinkholes under spas near the Dead Sea

Sunk costs THE Dead Sea is, as its name implies, far too salty to be of use to fishermen or farmers. But its mineral-rich waters are valued by the owners of the spas that thrive along its shores in Israel, Jordan and the Palestinian territory of the West Bank. The spa industry, however, faces a threat from a plague of sinkholes that have struck in recent years. These have damaged roads and buildings at Ein Gedi beach, in Israel, and hit the Mineral Beach Spa in Mitzpe Shalem, an Israeli settleme...