Covent Garden (now Royal Opera House)

Another of the places Anna mentions in her opening monologue.

Here's a link to the history of Covent Garden in its various incarnations:

http://www.coventgardenlondonuk.com/history-architecture

And another history of the Royal Opera House (formerly Covent Garden):

http://www.arthurlloyd.co.uk/RoyalOperaHouseCoventGarden.htm

And here's a (rather shaky) video of the interior (which has not changed much since the 1950s, although the lobby spaces and exterior have changed considerably):

http://www.youtube.com/watch?v=jcPVpbZxuVM