REMOVE

1. boys
2. girls
3. trees
4. hats
5. sky
6. sitting

WHAT

1. Visual Works (hierarchy n … (1)
2. artists (visual artists) (1)
3. barns (1)
4. black-and-white film (1)
5. dresses (garments) (1)

More 

WHERE

1. Killam, Alberta, Canada (1)

WHEN

1. 1930 (1)
2. 1935 (1)
3. between 1930 - 1935 (1)