One O'Clock Gun, Historic cannon in United Kingdom
The One O'Clock Gun is a time signal located at Edinburgh Castle in the City of Edinburgh.
It has been fired since 1861 to mark one o'clock pm every day except Sundays, Christmas Day, and Good Friday.
The firing of the gun is a tradition that is witnessed by many visitors and locals alike.
Tourists can watch the daily event from the castle's Mills Mount Battery.
The sound of the One O'Clock Gun can be heard across Edinburgh and has become an integral part of the city's ambiance.
Location: City of Edinburgh
Source: Wikimedia