How New York's Subways Are Made

This tunnel-boring machine has been boring subway holes in the tough New York dirt for 30 years now, and has been brought into action again on Second Ave. Isn't it a beauty?

The TBM was built in the 1970s in New Jersey, and has been reconditioned "like new" and reassembled in New York for this month's subway-digging work. [Twitter via Gothamist via 2nd Ave. Sagas]

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