beams clouds coast coastline cumulus dutch landscape light Netherlands sea shore summer sun waves Zandvoort abundance abundant background bulbs colour flowers holland horticulture many profusion red texture tulips yellow architecture brick buildings cars germany house houses idyllic listed building parking potsdam road rural scene scenery street streets style building business city modern office offices Rotterdam sky scraper skyline success urban grain Kinderdijk mill miller mills old polder pump pumping sail sails The netherlands traditional windmill windmills beach evening ocean sky sunny sunset group people blue cloud flat green land natural nature Petten white windy air dijk dike dikes flatland pays bas zee zeeland