Massive Underground Cities of Cappadocia Region of Turkey
WHEN THE INVADERS came, Cappadocians knew where to hide: underground, in one of the 250 subterranean safe havens they had carved from pliable volcanic ash rock called tuff. Now a housing construction project may have unearthed the biggest hiding place ever found in Cappadocia, a region of central Turkey famous for the otherworldly chimney houses, …