archive.org/web/20161102072421/http://www.panoramio.com/user/596286?with_photo_id=118517910 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023131951/http://www.panoramio.com/photo/57569599 determination method...
archive.org/web/20161029194731/http://www.panoramio.com/user/185967?with_photo_id=91275379 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030064125/http://www.panoramio.com/user/185967?with_photo_id=91275022 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028163027/http://www.panoramio.com/user/185967?with_photo_id=91274721 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028163033/http://www.panoramio.com/user/185967?with_photo_id=91274722 operator: Panoramio described at URL: https://web.archive...
jpg Achim Raschka (talk) GFDL·migration=relicense Quercus pubescens Tuscany.jpg Etrusko25 self·cc-by-sa-3.0·GFDL Acorns at Arkalanda - panoramio.jpg Tim...
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