Pedestrians walk through an intense beam of sunlight which was reflected off the Walkie Talkie tower in central London September 4, 2013. The Walkie Talkie tower that reflects sunlight at an intensity capable of melting parts of a car became the latest attraction in the city's financial district on Tuesday as the developers acted to find a quick fix. REUTERS/Suzanne Plunkett (BRITAIN - Tags: BUSINESS REAL ESTATE ENVIRONMENT)