Carrying out her first public engagement since she was struck down by gastroenteritis, the Queen, accompanied by the Duke of Edinburgh and Duchess of Cambridge, arrives at Baker Street Underground station to celebrate the 150th anniversary of the Tube.

Published on 20 March 2013 by Telegraph TV.

{youtube}ZftuegZ5FjA&list=UUPgLNge0xqQHWM5B5EFH9Cg{/youtube}