Last Saturday, a tipster noticed ZOINKS graffiti tag on top of the Roosevelt Island Steam Plant.

Today, the Twitterverse asks:

The Roosevelt Island Steam Plant supplied power to Goldwater Hospital. The Steam Plant was shut down and decommissioned in November 2014 when Goldwater Hospital was demolished to make way for Cornell Tech. There is currently no plan for it’s future use.

Here’s a 2013 look

inside the Steam Plant.