― Photo: Twitter/@tblondonlive ∙ Photo: ITV.com ∙ Is it a bird? Is it a plane? Is it Superman? Nah, it's just Boris! ∙ The Mayor of London, Boris Johnson, was taking part in an Olympics celebration in Victoria Park yesterday, where the London 2012 games are being shown on big screens. ∙ Boris is always up for a publicity stunt and had agreed to be the first person to use 45-metre high, 320-metre long zip wire. He set off in the drizzling rain, wearing his trademark dark [...].