REMOVE

1. Banks and banking
2. not known

WHAT

1. Architecture -- 1900-2000 (3)
2. Architecture -- England - … (3)
3. Offices -- England -- Lon … (3)
4. Architecture -- 2000-2100 (1)

WHERE

1. ENGLAND, UK (4)
2. London (3)
3. Doncaster, South Yorkshir … (1)
4. POLAND (1)
5. Warsaw (1)

WHEN

1. 1923 (1)
2. 1954 (1)
3. 1988 (1)