Eerie drone timelapse takes you soaring through London’s underground tunnels | Mashable
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LONDON — The team behind the city’s epic Crossrail project has just finished excavating 26 miles of tunnels underneath the city, and sent a drone down there to capture what it looks like. More than half of the £15 billion ($22 billion) project is complete, so the crew attached a camera to a carriage navigating […]