42. Links para abrir fotos en alta definición de algunas óperas de este archivo: (todas en .jpg) Budapest - http://www.flickr.com/photos/helico/456433534/sizes/o/ Budapest- http://www.flickr.com/photos/danube/118061702/sizes/o/ Buenos Aires - http://www.flickr.com/photos/exedu/172895080/sizes/o/ Copenhage - http://www.flickr.com/photos/malouette/400581702/sizes/o/in/set-72157601313746135/ Frankfurt - http://upload.wikimedia.org/wikipedia/commons/3/34/Alteoper-ffm002.jpg Londres - http://www.flickr.com/photos/77506989@N00/433308652/sizes/o/ Madrid - http://www.flickr.com/photos/8230500@N04/1430882192/sizes/o/ Milan - http://www.flickr.com/photos/abirdie/25173119/sizes/o/ Milan - http://www.flickr.com/photos/cicciopizzettaro/280550390/sizes/o/ Milan - http://www.flickr.com/photos/riccoboni6/406635780/sizes/o/ Milan - http://www.flickr.com/photos/dennismueller/87705521/sizes/o/ Moscú - http://www.flickr.com/photos/aslakr/2088736798/sizes/o/ New York - http://www.flickr.com/photos/macronin47/160525273/sizes/o/ Oslo - http://www.flickr.com/photos/rennyba/2449505281/sizes/o/ Oslo - http://www.flickr.com/photos/ausfi/2444449347/sizes/o/ Paris - http://upload.wikimedia.org/wikipedia/commons/9/9c/EPO_1273_wiki.jpg Paris - http://www.flickr.com/photos/fact244/829568057/sizes/o/ Paris - http://www.flickr.com/photos/wallyg/1429995034/sizes/o/ Paris - http://www.flickr.com/photos/wallyg/1429994310/sizes/o/in/set-72157602134763431/ Paris - http://www.flickr.com/photos/r_catalano/471684620/sizes/o/ Paris - http://www.flickr.com/photos/piero/251864891/sizes/o/ Praga - http://www.flickr.com/photos/jillandjason/166390625/sizes/o/ Praga - http://www.flickr.com/photos/yoshindustry/216061245/sizes/o/ São Paulo - http://www.flickr.com/photos/pedro_angelini/2456204811/sizes/o/ Estocolmo - http://www.flickr.com/photos/rabulist/2226908482/sizes/o/ St Petersburgo - http://www.flickr.com/photos/anhthusm/534595902/sizes/o/in/set-72157600322507545/