Fourteen storeys below New York's Park Avenue, a 200-tonne serpent-like drill sits in silence and will remain there for archaeologists of the future to discover.
After four years of burrowing out subway tunnels for a new train station beneath Grand Central Station, the massive drill is retiring.
Why not dismantle the tunnel-boring machine rather than abandon it underground?
The Spanish contractor overseeing the project made the call, taking time and money into account. A scrap sale wouldn't be worth it.
To remove the drill — which weighs as much as two whales and stands as tall as four men — would cost $9 million, one expert quoted.
The New York Times describes the underground scene:
"A recent visit to the cutter's future crypt revealed a machine that evokes an alien life form that crashed to earth a millennia ago. Its steel gears, bolts and pistons, already oxidizing, appeared lifeless and fatigued. A wormlike fan, its exhaust pipe disappearing into the cutter's maw, was stillRead More »from Subway tunnel-boring “subterranean wonder” to be buried under Grand Central Station