REMOVE

1. gelatin silver print
2. Photographs
3. architecture, skyscraper
4. George Eastman House

WHAT

1. architecture, skyscraper (2)
2. gelatin silver print (2)
3. cityscape, figures in (1)

WHERE

1. North American; American (2)
2. US, NY, New York (1)
3. US, RI, Providence (1)

WHO

1. Callahan, Harry (2)
2. George Eastman House (2)

WHEN

1. 1970 (2)