English operator: Panoramio described at URL: https://web.archive.org/web/20161013080918/http://www.panoramio.com/photo/14047632 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013104831/http://www.panoramio.com/photo/14055897...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012220503/http://www.panoramio.com/photo/14114419...