English operator: Panoramio described at URL: https://web.archive.org/web/20161025094652/http://www.panoramio.com/photo/76781643...
Petogradsky District, St. Petersburg, Russia operator: Panoramio described at URL: https://web.archive.org/web/20161028015816/http://www.panoramio.com/photo/108841339...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102172916/http://www.panoramio.com/photo/123596047...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029115337/http://www.panoramio.com/photo/108015462...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102195918/http://www.panoramio.com/photo/126697955...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014202908/http://www.panoramio.com/photo/38622732 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024174803/http://www.panoramio.com/photo/76857394...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027233558/http://www.panoramio.com/photo/109105325...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026024412/http://www.panoramio.com/photo/76781637...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029142345/http://www.panoramio.com/photo/109073739...