REMOVE

1. rivers
2. sitting
3. girls
4. suits (main garments)
5. sky

WHAT

1. artists (visual artists) (1)
2. black-and-white film (1)
3. eyeglasses (1)
4. fences (1)
5. hats (1)
6. landscapes (representatio … (1)
7. men (male humans) (1)
8. Niagara Falls (waterfall) (1)
9. parks (recreation areas) (1)
10. portraits (1)
11. trees (1)
12. Visual Works (hierarchy n … (1)

Less

WHERE

1. Niagara Falls, Ontario, C … (1)

WHO

1. Campbell, Sandra L. Still (1)
2. Sandra L. Still Campbell; … (1)

WHEN

1. 1964 (1)