The Lost Underground Metropolis: How 20,000 People Vanished Beneath Turkey’s Surface
Hidden beneath Turkey’s Cappadocia region lies Derinkuyu, a mind-boggling underground city carved entirely by hand that once housed 20,000 people across eight subterranean levels. This ancient engineering marvel featured everything from churches and schools to livestock quarters and sophisticated ventilation systems, representing one of history’s most ambitious construction projects.
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