Rooftop shot of HL23 (at right), with the High Line’s lawn at leftHL 23 shot from 23rd StreetCleaners rappel down HL 23, July 2015508 W. 24th, looking south with HL 23 behind itThe clock face on 508 W. 24, at 2:37 pm on September 6, 2016520 W. 28 from the High Line, looking north520 W. 28th Street, shot from the street looking west