English operator: Panoramio described at URL: https://web.archive.org/web/20161103173145/http://www.panoramio.com/photo/131567411...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031212210/http://www.panoramio.com/photo/125826946...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024163228/http://www.panoramio.com/photo/84380016...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103111132/http://www.panoramio.com/photo/131567398...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030130712/http://www.panoramio.com/photo/101617977 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027091429/http://www.panoramio.com/photo/23349145...
archive.org/web/20161020051412/http://www.panoramio.com/user/1559678?with_photo_id=55583152 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161102063406/http://www.panoramio.com/user/3794713?with_photo_id=113977575 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161102063336/http://www.panoramio.com/user/3794713?with_photo_id=113977570 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161101230202/http://www.panoramio.com/user/801668?with_photo_id=122984354 operator: Panoramio described at URL: https://web.archive...