“Ten years ago I [would] show up on North Broad Street,” says Blumenfeld, “and I would take bankers down here and they would look at me, like ‘you’re out of your mind’.” But standing on the rooftop of the Thaddeus Stephens School of Practice at Spring Garden and Broad Streets, Blumenfeld’s vision now seems less laughable.

(via Accidental Preservationists | Hidden City Philadelphia)