abstract angled angles appearance architectural architecture building buildings city contemporary contrast contrasting corners distinctive edged edges elements exterior external framed frames geometric geometric-shapes glass gray grey height high high-rise light linear lines modern patterned patterns perspectives sharp sharp-cornered sharp-corners Singapore straight-up-and-down surface surfaces textured textures views wall walls windows acknowledgement ANZAC-memorials eternal-flame fire flame memorial peace remembrance reminder slogan symbol war war memorials colour colourful door facade house low-angle mediterranean open orange shutter sill sky south window wrought iron ancient angle battlement castle corner defend defensive England fort historical military old ruin slot stone stronghold tower aim aimed aiming Australian-Defense-Force barrel coast coastal-defense combat-readiness death defence defending destruction destructive emplacement equipment gun gun-emplacement gun-platform gun-turret heritage hilltop historic history mounted mounted-gun placed placement protection protective secure security shrubbery trees upward vantage-point vegetation weapon weaponry weapons World-War-2 wwii bricks brickwork circle circular community-area courtyard designed Designs detailed detailing fitted fitting footpath garden garden-wall ground interlock interlocked interlocking level outdoor-area outdoor-space park paved paving paving patterns paving-bricks public rocks round semi-enclosed shaped shapes smooth stone-wall stones stonework wall-seating across aware awareness convex frame lookout mirror reflect reflecting reflection road safety sign street traffic view