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'An underground museum': Inside Greece's astonishing new £2.5billion driverless metro system that unearthed more than 300,000 treasures, many of which are on display in the ...
We will go through an underground museum to reach the train.' Builders had to dig deeper than originally planned - up to 31 metres (102 feet) - to make sure the tunnels ran below the ...
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Huge Ancient Inca Underground Labyrinth Discovered Beneath Cusco, Starting At Sun Temple
After centuries of rumor and speculation, archaeologists have finally confirmed the existence of a colossal underground tunnel system ... the presence of hollow chambers. Finally, the team made ...