REMOVE

1. bridges (built works)
2. landscapes (representations)
3. trees
4. 1920

WHAT

1. exterior views (1)
2. lakes (bodies of water) (1)
3. reflections (perceived pr … (1)

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WHERE

1. Alberta, Canada (1)

WHO

1. Clyfford Still; Still, Cl … (1)
2. Still, Clyfford (1)

WHEN

1. 1945 (1)
2. between circa 1929 and ci … (1)