REMOVE

1. portraits
2. spouses
3. towers (building divisions)
4. geometric patterns

WHAT

1. Visual Works (hierarchy n … (1)
2. artists (visual artists) (1)
3. churches (buildings) (1)
4. color film (film) (1)
5. exterior views (1)

More 

WHERE

1. Washington, District of C … (1)

WHO

1. Stephan, John Walter (1)

WHEN

1. 1968 (1)