boats Burj Khalifa dubai marina middle east skyscrapers Tallest Building UAE united arab emirates water coast coastline fjord HDR horizon lake Nyberg ocean reflection rock sea stone sun sunset beak birds eyes feathers grass green heron Heron nature outdoors pond stalking wading bird bath frozen ice icy public stair staircase Ardea-alba bird carnivore carnivorous common-egret elegant foliage great-egret greenery large-egret long-legged long-necked motionless patient plumage plume plumed reflections ripples sharp-beaked solitary-feeder standing-still wader wading waiting water-bird water’s-edge white white-egret widely-distributed yellow-billed yellow-eyed backdrop background coloring colors colouring colours contrast contrasting cool cooling dense density edge green growth heavy jungle jungle-foliage lakeside leafy leaves light outside perspectives plants rippling shade shadows shrubbery sunlight surface surfaces texture textures thick trees variations variety vegetation wallpaper water's-edge wavelets windy