air decay design grunge grungy metal MIG old oxide plane airplane plate plate metal plate plates rough scratch sheet speckled steel textural texture textured textures urban weathered atmosphere big blue cloud cloud formation clouds cumulus formation formations grey heavy huge massive meteorology nature rain skies sky soft stratus structures summer water weather white architecture brick bricks chimney duct emission emissions exhaust pipe high industrial industrial smokestack industry pollute pollution production red smog smoke smokeshaft smokestack tall trees arrow black decoration direction directional indication indicator meteorological nautical orientation point pointing sail sign silhouette symbol vane weather-vane wind windy aerate aeration bank control current dam England english flow Great Britain management pour river Salix shade stone stream sunlight Sussex tree wall waterlily weir willow background beauty cloudscape cloudy day environment fluffy freedom light natural open outdoor scene season spring sunny action aerial aerofoils color colour diversity flock fly glide gliders group hang-gliders hangglider on the move parachutes paragliders soar sport suspend birds cirrus flock of birds swarm of birds wheather