21 cartridges of artillery shells are seen after members of the Royal Gibraltar Regiment fired a 21-gun...
21 cartridges of artillery shells are seen after members of the Royal Gibraltar Regiment fired a 21-gun salute, to mark the 92nd birthday of Britain's Queen Elizabeth II, in front of the Rock, in the British overseas territory of Gibraltar, historically claimed by Spain, April 21, 2018. REUTERS/Jon Nazca