The "breadbasket" of Turkey, Konya's valleys are filled with the farms needed to feed a growing nation. But the available groundwater is drying up and causing fields to collapse. In a green field of freshly-watered ground, patrolled by four dogs with short legs and big barks, a stretch of thin razor wire twists in a circle. On the other side of the wire, the ground falls away. A chasm has opened in the middle of this field, deep enough that standing on the edge could make anyone treacherously