Note: These are just a few of many pictures taken.This was a preliminary post before the full slideshow. Please click here for the full slideshow
Second Avenue Subway Tour
A sneak peek at a pictorial documentary of the Second Avenue Subway Project.

Workers on the Second Avenue Subway project load a gigantic drill bit into the Drill Jumbo, which is used in the evening after blasting is halted to prepare sections of Manhattan schist for blasting the next day. Amal Chen/The Epoch Times
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