Royal wedding: London's tandem gift for newlyweds
London Mayor Boris Johnson is to give tandem bicycle based on the city's bike hire scheme as a wedding present to Prince William and Kate Middleton.
The gift from the people of the capital was unveiled when he addressed the crowds gathered at Trafalgar Square to watch the ceremony on a big screen.
Mr Johnson also proposed a toast and cut a wedding cake.
He said: "I look forward to seeing the newly-weds on tandem wheels as they start their new life in Anglesey."
Earlier in the day, the mayor, who attended the service at Westminster Abbey, said: "I am delighted to have this amazing opportunity, on behalf of London, to wish Prince William and Kate Middleton a long, prosperous and joyous life together.
"It's a fantastic day for the city and obviously it shows the city off at its best.
"We've got the entire international media here and, in many ways, it's a good dry run for the Olympics.
"And, you know, we've got just about every American broadcaster you could possibly imagine.
"[It is] a good opportunity to test our systems, get the transport system working and show it off as best as we possibly can."