St Stephen's Tower on the Houses of the Parliament which houses Big Ben, the famous clock bells. The great clock of Westminster shows a time of ten thirty (half past ten).

Houses of the Parliament and St Stephen's Tower which houses Big Ben, the famous clock bells. The clock is called the great clock of Westminster.

St Stephen's Tower on the Houses of the Parliament which houses Big Ben, the famous clock bells. The great clock of Westminster shows a time of 9.40