autumn color colour concrete fall leaf leaves path pavement stairs walk architecture background blind brick build history pattern stone texture wall window advice antiquarian artwork authors binding boards book browning claims close-up corners culture directions discoloration discolouration dusty edge edging edition family-guidance foxing fragile illustrated libraries library medical old pages photo publication qualified? questionable strange textures title title-page value wear America colorado dam electricity Hoover Dam power river rock usa water 783889 783890 783892 bloom blossoms blue flowers fuchsia petals phlox pink sky spring fachwerk framing mortise pegged red tenon timber wood african bird eye face feathers palm palmnut raptor scarce vulture wing