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An underground city is a series of linked subterranean spaces that may provide a defensive refuge; a place for living, working or shopping; a transit system; mausolea; wine or storage cellars; cisterns or drainage channels; or several of these. Underground cities may be currently active modern creations or they may be historic including ancient ...
The city at Derinkuyu was fully formed in the Byzantine era, when it was heavily used as protection from Arab Muslims during the Arab–Byzantine wars (780–1180 AD). [8] [9] [d] The city was connected with another underground city, Kaymakli, through 8–9 km (5.0–5.6 mi) of tunnels. [10]
NASA scientists have unearthed an astonishing man-made spectacle, lying frozen 100 feet below an icy surface.“We didn’t know what it was at first,” admitted Alex Gardner, a cryospheric ...
There are hidden treasures to be found all around the world -- you just have to know where to look. No, we're not talking about the 7 Great Wonders of the World or the mass that is the Grand Canyon.
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The city of Sacramento is yet another community lifted above floodwaters during the latter half of the 19th century, leaving behind underground spaces. Adults can tour the historical remnants with ...
The Hollow Earth is an obsolete concept proposing that the planet Earth is entirely hollow or contains a substantial interior space. Notably suggested by Edmond Halley in the late 17th century, the notion was disproven, first tentatively by Pierre Bouguer in 1740, then definitively by Charles Hutton in his Schiehallion experiment around 1774.
Image credits: tomaspueyo Even though maps focused on territory lines show exactly where one country ends and another begins, when it comes to cultural issues or such things as language and faith ...