Hanging houses, Cuenca, Spain

View of hanging houses, Cuenca, Spain.
 Cuenca is a city set in the mountains of east-central Spain. Founded by Moors, it retains its Historic Walled Town with steep cobbled streets and medieval castle ruins. Perched on a limestone spur high above the Júcar and Huécar rivers, it's most famous for its well-preserved hanging houses. Cantilevered over the Huécar gorge, they seemingly cling to the cliffs' edges.