REMOVE

1. artists (visual artists)
2. geometric patterns
3. beards
4. signatures (names)

WHAT

1. backdrops (1)
2. black-and-white film (1)
3. close-up views (1)

More 

WHEN

1. 1970 (1)
2. 1979 (1)
3. between 1970 - 1979 (1)