El documento lista las principales óperas del mundo, incluyendo las de Amsterdam, Bruselas, Budapest, Buenos Aires, Copenhague, Frankfurt, Lisboa, Londres, Madrid, Milán, Moscú, Nueva York, Odesa, Oslo, París, Praga, São Paulo, Sofía, Sydney, San Petersburgo, Estocolmo y Viena. Además, proporciona enlaces a fotos de alta definición de algunas de estas óperas.

1. Operas del mundo

2. Opera de Amsterdam

3. Opera de Bruselas

4. Opera de Budapest

7. Opera de Buenos Aires

9. Opera de Copenhage

11. Opera de Frankfurt

12. Opera de Lisboa

14. Opera de Londres

15. Opera de Madrid

16. Opera de Milán

18. Opera de Moscú

22. Opera de Nueva York

24. Opera de Odesa

25. Opera de Oslo

26. Opera de París

29. Opera de Praga

32. Opera de São Paulo

34. Opera de Sofía

35. Opera de Sydney

36. Opera de San Petersburgo

38. Opera de Estocolmo

40. Opera de Viena

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/