REMOVE

1. Garden squares -- England -- …
2. Stone -- In art

WHAT

1. Architecture -- 1900-2000 (1)
2. Architecture -- England - … (1)
3. City squares -- England - … (1)
4. Landscape design -- Engla … (1)

WHERE

1. ENGLAND, UK (1)
2. Sheffield, South Yorkshir … (1)

WHO

1. DAVIES, W.G. (1)
2. MASON, Paul (1)
3. Sheffield City Council (1)

WHEN

1. 1991 (1)