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Casa de la Ópera en Zürich, Suiza. operator: Panoramio described at URL: https://web.archive.org/web/20161029203124/http://www.panoramio.com/photo/101568001...
archive.org/web/20161102190925/http://www.panoramio.com/user/4171551?with_photo_id=93572721 operator: Panoramio described at URL: https://web.archive...
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archive.org/web/20161102190838/http://www.panoramio.com/user/4171551?with_photo_id=93572720 operator: Panoramio described at URL: https://web.archive...
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archive.org/web/20161030091638/http://www.panoramio.com/user/4171551?with_photo_id=93572692 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028194825/http://www.panoramio.com/user/4171551?with_photo_id=93572688 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161023170020/http://www.panoramio.com/user/4171551?with_photo_id=57362396 operator: Panoramio described at URL: https://web.archive...
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