REMOVE

1. aluminum with red and blue a …
2. North American; Canadian
3. North American; Canadian
4. National Gallery of Canada

WHAT

1. Sculpture (1)
2. aluminum with red and blu … (1)

WHERE

1. North American; Canadian (1)
2. U.S.A.: Connecticut, Nort … (1)

WHO

1. Murray, Robert (1)
2. National Gallery of Canad … (1)

WHEN

1. 1970 (1)