archive.org/web/20161023210425/http://www.panoramio.com/user/2900405?with_photo_id=66799912 operator: Panoramio described at URL: https://web.archive...
https://commons.wikimedia.org/wiki/File:Cat,_Social_Goat_B%5EB,_Atlanta,_GA_-_panoramio.jpg 20 Credit: Benn Newman (BSD) https://commons.wikimedia.org/wiki/File:Cat_drawing...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025205515/http://www.panoramio.com/photo/78676460...
archive.org/web/20161028183618/http://www.panoramio.com/user/700080?with_photo_id=91465906 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030185224/http://www.panoramio.com/photo/124966444 determination method...
archive.org/web/20161024154224/http://www.panoramio.com/user/1286122?with_photo_id=83525833 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031153606/http://www.panoramio.com/user/2445474?with_photo_id=105731729 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030225129/http://www.panoramio.com/user/2445474?with_photo_id=125000622 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031121433/http://www.panoramio.com/user/2445474?with_photo_id=124965600 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025101430/http://www.panoramio.com/user/1286122?with_photo_id=84759930 operator: Panoramio described at URL: https://web.archive...