Use the verbs in brackets in the correct tense form (Active or Passive):
The ceremony of Trooping the Colour (is) one of the most fascinating. It (is staged) in front o f Buckingham Palace. It (is held) annually on the monarch’s “official” birthday which is the second Saturday in June. Her Majesty Queen Elizabeth II (is) Colonel-in-Chief of the Life Guards. She (is escorted) by Horse Guards riding to the Parade. The ceremony (is accompanied) by the music of bands. The procession (is headed) by the Queen.