REMOVE

1. gardens (open spaces)
2. wrist watches
3. beards
4. woods (plant communities)

WHAT

1. Visual Works (hierarchy n … (1)
2. artists (visual artists) (1)
3. benches (furniture) (1)
4. bushes (1)

More 

WHERE

1. Westminster, Maryland (1)

WHEN

1. 1970 (1)
2. 1975 (1)
3. between 1970 - 1975 (1)