The L train is one of the few remaining subway lines that's mostly out of service in New York City, as Metropolitan Transit Authority crews have been working around the clock to get everything up and running in the wake of Hurricane Sandy.
The MTA has posted some photos on Flickr of the workers who are clearing the L train's tunnel deep underground, beneath the East River.
"After the tunnel is pumped dry of water, work will begin to inspect tracks, signals, switches, electrical components, and third rail," explains the MTA. "If any repairs are needed, employees will make them as quickly as possible to get service restored."
Here's what they're dealing with down there:
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