Large sinkholes have recently appeared in two different parts of the world. A 17-year-old discovered one of the sinkholes in his grandfather's field in the Konya province of central Turkey.

Drought combined with tapping too much groundwater and heavy rains have sped up the formation of sinkholes, huge craters that suddenly appear and leave gaping holes behind. Such sinkholes have ...

Two giant sinkholes have already appeared on his land in Konya, a vast agricultural province known as Turkey's breadbasket. "Anywhere could sink, I keep thinking.