A man records a temperature of 54.1 degrees Celsius (129 degrees Fahrenheit) from a thermometer touching the floor after an intense beam of sunlight 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)