archive.org/web/20161102154845/http://www.panoramio.com/user/4171551?with_photo_id=119487527 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161023183807/http://www.panoramio.com/user/4171551?with_photo_id=69705972 operator: Panoramio described at URL: https://web.archive...
septiembre puede verse en la figura 5. A partir del día 9, el país con un mayor número de fotografías fue Alemania. España, Polonia y Portugal contaron...
archive.org/web/20161030221049/http://www.panoramio.com/user/4171551?with_photo_id=119487503 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161102053912/http://www.panoramio.com/user/298492?with_photo_id=121481119 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030200215/http://www.panoramio.com/photo/115183756...
archive.org/web/20161101015026/http://www.panoramio.com/user/634768?with_photo_id=115259901 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031234950/http://www.panoramio.com/user/634768?with_photo_id=115259672 operator: Panoramio described at URL: https://web.archive...