In a new find under five historic homes in the Iranian city of Abarkuh, archaeologists discovered an underground settlement ...
Hidden beneath Turkey's Cappadocia region, Derinkuyu is a vast underground city that once housed 20,000 people and remains a marvel of ancient engineering.
The expedition leader likened the ruined fortification to “a complete underground city.” The survey covered the remains of imperial Japanese military facilities such as airfields and pillboxes.
Deep beneath the Dutch city lie vast subterranean spaces that have served as art canvases, air raid shelters and a strategic ...
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