Crossrail, a new underground line across London, is Europe’s biggest infrastructure project at the moment and they’ve just connected up both ends. The tunnel boring machines have been running 24 hours a day for 3 years and Transport for London sent down a bunch of drones and timelapse cameras to give a better feel for what’s been happening. Quite brilliantly, they’re also using the excavated earth to build a new nature reserve at Wallasea Island in Essex. The completed line will open to passengers in 2018.
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