The south facade of Sir Christopher Wren's masterpiece, St Paul's Cathedral, has finally emerged from under scaffolding following months of restoration work. The side of the building facing London's Millennium Bridge has been treated to a £4.2m facelift as part of a £40m cleaning and repairs campaign, due to be completed in 2008. The landmark is being restored to its former glory in time for the cathedral's 300th anniversary next year. Here's how it has looked through the ages ...