150925, The Queen, accompanied by The Duke of Edinburgh, undertakes a walkabout in Windsor on her 90th birthday. The Queen and The Duke met Windsor residents and visitors as they walked through the streets from Windsor Castle to the Guildhall, where Her Majesty unveiled a plaque marking The Queen's Walkway, a 6.3km self-guided walking trail connecting 63 points of significance in the town of Windsor. Windsor, United Kingdom - Thursday April 21, 2016. Photograph: ?? PacificCoastNews. Los Angeles Office: +1 310.822.0419 UK Office: +44 (0) 20 7421 6000 sales@pacificcoastnews.com FEE MUST BE AGREED PRIOR TO USAGE