BULGARIA Sofia Guard of honour marching during changing of the guard outside the Presidency Building Honor Travel Tourism Holiday Vacation Explore Recreation Leisure Sightseeing Tourist Attraction Tour Sofia Capital City Bulgaria Bulgarian East Eastern Europe European Calendar Vivid Vibrant Stunning Dramatic Striking Summer Bright Sunny Sun History Historic Historical National Patriotic Country Ceremony Ceremonial War Uniform Cap Helmet Tunic Power Authority Military Army Warfare Strength Soldiers Presidential Presidency President Guard of Honour Honor Marching March Goose Step Goose-step Stepping Sentry Protect Protection Defend Defence Guardsmen Guardsman Security Outside Outdoors External Exterior Serve Safeguard Pavement Sidewalk Changing Formation Street Boots Gun Rifle Arms Bayonet Feather Men Man Male Defense Eastern Europe