Photo by Roger Lemoyne/Liaison
A woman sits on the ancient steps that once led down to Lake Rajsamand near Udaipur, India. The lake dried up in 2000 due to drainage of its feeder rivers for agricultural purposes and drought.
Eli Raz, an Israeli geologist, found himself in something of a hole, and a rather deep one. He had stopped his car on a desert highway near his home by the Dead Sea to inspect some rock formations. As he was walking a few hundred meters from the road, he felt a rumble and heard a whooshing sound. Then he started falling. When he landed, he found himself at the bottom of a deep sinkhole. The sides were sheer drop-offs and Raz couldn't climb out. Eight hours later, a policeman noticed the hole and found him there. Few, if any, are more qualified to understand such sinkholes: For decades, Raz has ...