Saturday, September 22, 2012 CNN.com - Top Stories: London landmarks open their doors: Photos CNN.com - Top Stories CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. London landmarks open their doors: Photos Sep 22nd 2012, 14:34 Today is the 20th anniversary of London's Open House weekend, when many of the city's most intriguing buildings are open to the public. You are receiving this email because you subscribed to this feed at blogtrottr.com. If you no longer wish to receive these emails, you can unsubscribe from this feed, or manage all your subscriptions Tweet