REMOVE

1. Bridges, Iron and steel
2. Architecture -- 1800-1900

WHAT

1. Architecture -- England - … (7)
2. Thames River (England) (7)
3. Architecture -- 1900-2000 (6)

WHERE

1. ENGLAND, UK (8)
2. London (7)
3. Buxton, Derbyshire (1)
4. Firth of Forth (1)
5. SCOTLAND, UK (1)

WHO

1. HAWKSHAW, John (6)
2. LIFSCHUTZ DAVIDSON (6)
3. BAKER, Benjamin (1)
4. BARRY, Charles (1)
5. FOWLER, John (1)

WHEN

1. 2002 (6)
2. 1862 (1)
3. 1890 (1)