Willis Tower, formerly the Sears Tower, completed in 1973, at the time it was the tallest building in the world, Chicago, Illinois, United States of America, North America

travel destination travel destinations travel photography colour image colour color image color vertical willis tower sears tower chicago illinois usa us united states usa us united states united states of america north america american north american outdoors outside low angle view low angle from below looking up building building exterior architecture architectural architectural skyscrapers city modern national landmark landmarks day no people nobody no one no one urban scene