English City hall of panaramio operator: Panoramio described at URL: https://web.archive.org/web/20161013073209/http://www.panoramio.com/photo/13156040...
Алексей Решетников URL: https://web.archive.org/web/20161012105454/http://www.panoramio.com/user/1354792?with_photo_id=13151676 operator: Panoramio described...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012030354/http://www.panoramio.com/photo/13156016 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013102804/http://www.panoramio.com/photo/13156144 determination method: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012225550/http://www.panoramio.com/photo/13156032 determination method...