1. Big Ben is a clock.
2. Yes, it is.
The Bell Tower of Ivan the Great is the symbol of Russia. On the five tops of the Kremlin towers one can see shining ruby stars. The clock that strikes every quarter of an hour is on the Spassky Tower.
3. Yes, it is. It has a long and cruel history. The tall building is the White Tower, the oldest part of the Tower of London. The Bloody Tower has a history of blood.
4. Westminster Abby was founded by Edward the Confessor.
5. The English Parliament works in the Houses of Parliament.
The Russian Parliament works in the White House.