front view of the royal palace in oslo, guardsman and sentry boxes

front view royal palace oslo guardsman sentry boxes box elevation facade norway sentrybox two architecture attraction blue book building defeat destination duty visit family famous guard guide guidebook hmkg holidays icon king man military monarchy one place queen residence safety scandinavia scandinavian security single sky summer symbol tourism tourist travel event standing landmark court harald sofija hm king v sonja hrh crown prince haakon crown princess mette-marit marit ingrid alexandra sverre magnus