A man reacts to a shaft of intense sunlight reflected from the glass windows of the new “Walkie Talkie” tower in central London on August 30, 2013. Due to it’s concave design, sunlight is reflected into a very localised point in the early afternoon, creating a pool of light, with temperatures above the immediate ambient environment, according to local media. AFP PHOTO / LEON NEALLEON NEAL/AFP/Getty Images