Broughty city cityscape coast coastline dundee estuary ferry peaceful river shore shoreline town water beach blue dune edge grass grey house line roof row sand sea sky sunshine terrace window castle clear defence defend flag flagpole gun harbour mirror reflection scotland scottish seaweed still stone strong stronghold sun Tay tower turret violence wall walls war background boat break calm copyspace forest horizon north ocean peace sail tree trees wave waves autumn brown car green red ripple clouds Firth flat hill houses industrial oil platform rig