Photos from 'Robert Moses and the Modern City' - Photo #53

Photo:  Ballon, Hilary, and Kenneth T. Jackson (editors), Robert Moses and the Modern City: The Transformation of New York, W.W. Norton & Co., New York (2007), p.155.
The caption says "Sol Goldman Pool and environs, November 23, 1937", but I don't see a pool, do you? "Sol Goldman Pool" is the new name for Red Hook Pool, Brooklyn, which opened August 17, 1936.