Lovely, Don, and a great choice of inspiration, too. Some of the Shorpy collections are moving to browse, and all of them are interesting. Had to chuckle at your asserting the Canadian Red Cross over the US'!. I'm wondering if the curved pits are vents to a vaulted basement or a water tank? It's amazing that those deep, immense concrete beams and floor above are supported on quite spindly timber colums. Google street view shows a five or six-storey apartment block at the location now.