Ответы и объяснения

Big Ben in London 
Tower height - 96.3 meters.
 Before the tower housed a prison.
Big Ben is   the great bell of the clock.
The tower was completed in 1858.
It is most famous tourist attractions.
Tower height - 96.3 meters
Length of the arrows - 2.7 and 4.2 meters.
The tower is often in the establishing shot of films set in London.