REMOVE

1. windows
2. construction sites
3. demolition (process)
4. sheds (storage structures)

WHAT

1. Visual Works (hierarchy n … (1)
2. barriers (1)
3. black-and-white film (1)
4. buildings (structures) (1)
5. concrete block (1)

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WHERE

1. Westminster, Maryland (1)

WHEN

1. 1971 (1)