background concrete floor mosaic rock rocks sand stone stones texture tile walk wallpaper beak bird dirty eye feathers landing palm palmnut raptor scarce sky vulture wings alpine chill cold colorado hill hills ice mountain mountains national park peak peaks rocky snow snowy storm timberline winter cathedral christian church churches fountain mexican Mexico San antonio San Fernando Texan texas architecture buildings city landmarks latinoamericana Mexico City skyscraper torre tower zeevaert bridge bridges cityscapes crossing crossings Gateshead heritage metro Newcastle river structures train Tyne biology botany cell cross section flower Jasmine leaf magnification microscope Oleaceae plant section