REMOVE

1. Tourist attractions
2. Memorials -- Germany
3. Checkpoint Charlie, Berlin, …
4. Heritage tourism -- Germany
5. Dark tourism
6. GERMANY
7. 1961

WHAT

1. Architecture -- 1800-1900 (2)
2. Architecture -- 1900-2000 (2)
3. Architecture -- England - … (2)
4. Art museums -- England -- … (2)
5. Automobile parking -- Eng … (2)

WHERE

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

WHO

1. LLEWELYN-DAVIES, Richard (2)
2. ROMAINE-WALKER, W.H. (2)
3. SMITH, Sidney R.J. (2)
4. STIRLING, James Frazer (2)

WHEN

1. 1987 (2)