Elon Musk had a bold idea. He wanted to take the dirt dug up by his The Boring Company while creating tunnels and turn it ...

Once only indicated through a sketch by Leonardo da Vinci from around 1495, concealed passageways have been discovered ...

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Just when residents thought they saw the light at the end of the tunnel, crews are back out again. “I’m looking at it and the brick had literally been broken. And coming into the road,” said ...

Add articles to your saved list and come back to them any time. When the firm Steve Hastings worked for discovered hundreds of collapsed bricks inside the labyrinthine tunnels of Melbourne’s ...

The researchers also uncovered other tunnels — almost all made of brick with a barrel vault, or curved ceiling — including one that heads in the direction of the Basilica of Santa Maria delle ...