REMOVE

1. Columns
2. Doorways

WHAT

1. Architecture -- 1700-1800 (8)
2. Architecture -- France (6)
3. Employees' buildings and … (6)

WHERE

1. Arc-et-Senans, Doubs (6)
2. FRANCE (6)
3. ENGLAND, UK (4)
4. Bath, Somerset (2)
5. Renishaw, Derbyshire (1)

WHO

1. LEDOUX, Claude Nicolas (6)
2. not known (2)
3. BADGER, Joseph (1)
4. WOOD, John (the elder) (1)

WHEN

1. 1779 (6)
2. 1266 (1)
3. 1758 (1)
4. 1890 (1)