The Princess Royal unveils a plaque to mark the official opening of The Queen Elizabeth II Garden in London. The two-acre space in Regent's Park commemorates the life and service of the late Queen, as part of events marking the 100th anniversary of her birth. <br /> Report by Gluszczykm. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn
