REMOVE

1. Heritage tourism -- England …
2. Clocks

WHAT

1. Architecture -- 1800-1900 (2)
2. Architecture -- England - … (2)
3. Big Ben (Tower clock) (2)
4. Government buildings (2)

WHERE

1. ENGLAND, UK (2)
2. London (2)

WHO

1. BARRY, Charles (2)
2. PUGIN, Augustus Welby Nor … (2)

WHEN

1. 1865 (2)