Stock photography, photos: Koala at Sydney Harbor Stock photos of Sydney Australia Graphic portrayal of Opera House and Koala Photograph: © Bill Bachmann Click for a larger image and more information Keywords associated with this stock photo: blue, white, boat, monument, landmark, down, under, Aussie, Australia, australian, skyline, capitol, cloud, green, shell, aerial, white, skyline, English, penal, colony, new, Wales, koala, Olympics, Sydney, Opera House, continent, peaks,