English operator: Panoramio described at URL: https://web.archive.org/web/20161022031012/http://www.panoramio.com/photo/52571793...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020111452/http://www.panoramio.com/photo/52489902...
English Information board in Balboa Park, San Diego, California German Informationstafel im Balboa Park in San Diego im US-Bundesstaat Kalifornien language...
archive.org/web/20161020153332/http://www.panoramio.com/user/1699605?with_photo_id=52489892 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031112155/http://www.panoramio.com/photo/126039100...
archive.org/web/20161031055836/http://www.panoramio.com/user/1699605?with_photo_id=124041643 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031034916/http://www.panoramio.com/user/1699605?with_photo_id=124138103 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030153201/http://www.panoramio.com/user/1699605?with_photo_id=124105255 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031034857/http://www.panoramio.com/user/1699605?with_photo_id=124138100 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161101072658/http://www.panoramio.com/user/1699605?with_photo_id=127706797 operator: Panoramio described at URL: https://web.archive...