aluminium architecture block building England english futuristic glass gray Great Britain grey iconic iron landmark London metal modern offices power silver skyscraper steel studded tower appearance community concrete construction domestic-supply drinking-water height high pressure public reserve reservoir storage structure suburban supply tall trees treetops water-supply watertower 9 de Julho business cars city color colors downtown FIESP life light light painting light trace lights MASP money movement Sao Paulo towers traffic battlements blue Carlisle castle cloud clouds copyspace defend defensive flag flagpole gate grass green moat safe secure sky stone strong stronghold wall walls ancient arch christian church churchyard elements Gloucestershire graveyard historical leaded masonry old path religion religious stonemasonry window chimney coal East River energy Environment Pollutio factory fossil fuels man walking New York power plant red and white Roosevelt Island smoke stack tree bell cobblestone cross flint Gravestones roof Sussex tiles castllated medieval parish place of worship windows benedictine boat canal decorative dome Grand Canal harbour Italy ornamental San Giorgio Maggiore Venice water