Tower of London, London, UK. 21st April 2017. A 62 round gun salute to celebrate the Queen's 91st birthday. Credit: Matthew Chattle/Alamy Live News

- Image ID: J1EDNM

Tower of London, London, UK. 21st April 2017. A 62 round gun salute to celebrate the Queen's 91st birthday. Credit: Matthew Chattle/Alamy Live News

Matthew Chattle / Alamy Stock Photo

Image ID: J1EDNM