an abandoned railroad
... that a guerrilla garden established atop an abandoned railroad in Long Island City became legally recognized by the MTA?
... that a <a href="./Guerrilla_gardening" id="mwBNo" rel="mw:WikiLink" title="Guerrilla gardening">guerrilla garden</a> established atop <b id="mwBNs"><a href="./Montauk_Cutoff" id="mwBNw" rel="mw:WikiLink" title="Montauk Cutoff">an abandoned railroad</a></b> in <a href="./Long_Island_City" id="mwBN0" rel="mw:WikiLink" title="Long Island City">Long Island City</a> became legally recognized by the <a href="./Metropolitan_Transportation_Authority" id="mwBN4" rel="mw:WikiLink" title="Metropolitan Transportation Authority">MTA</a>?