Теория:

Sentences to speak about Big Ben. (Предложения для того, чтобы говорить о Биг Бене).
  
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The large clock in one of the towers is Big Ben. Big Ben is the name of the clock and the bell in the tower of the Houses of Parliament.
You can hear the sound of Big Ben every hour in London. The clock and the bell got their names after Sir Benjamin Hall. He was a tall man, whose nickname was Big Ben. So people know the clock as Big Ben.
Big Ben always shows the right time.
Источники:
https://pixabay.com/en/big-ben-clock-lights-reflection-2605315/