Gun salutes in London vary in number of rounds based on location and occasion.
The origin of the 21-gun salute dates back to British warships discharging their guns in foreign ports.
A Crown And Coronation Light Show Has Taken Over The Walls Of The Tower Of London
Limited-time light show at the Tower of London called Crown and Coronation takes visitors on a journey through coronations and showcases the Crown Jewels.
After the light show, guests can have a special after-hours viewing of the Crown Jewels without the usual crowds.
Crown and Coronation will go on a tour across the UK to various venues after its run at the Tower of London.