Royal Horse Artillery fires gun salute in honor of Queen Elizabeth II in London

Members of the Royal Horse Artillery leave after a 96-gun salute in honor of Queen Elizabeth II at Hyde Park in London, Britain, on Sept. 9, 2022. Queen Elizabeth II, Britain's longest-reigning monarch in history, has died aged 96, Buckingham Palace announced on Thursday. (Photo by Stephen Chung/Xinhua)

Members of the Royal Horse Artillery leave after a 96-gun salute in honor of Queen Elizabeth II at Hyde Park in London, Britain, on Sept. 9, 2022. Queen Elizabeth II, Britain's longest-reigning monarch in history, has died aged 96, Buckingham Palace announced on Thursday. (Photo by Stephen Chung/Xinhua)

Members of the Royal Horse Artillery fire a gun salute in honor of Queen Elizabeth II at Hyde Park in London, Britain, on Sept. 9, 2022. Queen Elizabeth II, Britain's longest-reigning monarch in history, has died aged 96, Buckingham Palace announced on Thursday. (Photo by Stephen Chung/Xinhua)

Members of the Royal Horse Artillery fire a gun salute in honor of Queen Elizabeth II at Hyde Park in London, Britain, on Sept. 9, 2022. Queen Elizabeth II, Britain's longest-reigning monarch in history, has died aged 96, Buckingham Palace announced on Thursday. (Photo by Stephen Chung/Xinhua)

Members of the Royal Horse Artillery fire a gun salute in honor of Queen Elizabeth II at Hyde Park in London, Britain, on Sept. 9, 2022. Queen Elizabeth II, Britain's longest-reigning monarch in history, has died aged 96, Buckingham Palace announced on Thursday. (Photo by Stephen Chung/Xinhua)