Burning glass extremely high temperatures without the need for fuel or large supplies of electricity. They sometimes employ a large parabolic array of mirrors (some facilities are several stories high) to focus light to a high intensity. The Olympic torch that is carried around the host country of the Olympic Games is lit by a burning glass, at the site of ancient Olympia in Greece. Burning glass A burning glass or burning lens is a large convex lens that can concentrate the sun's rays onto a small area, heating up the area and thus resulting in ignition of the exposed surface. Burning
2008 Summer Paralympics torch relay The torch relay was held exclusively within China. Despite the officially stated reason for the cancellation, "The Guardian" attributed it to China's wish to avoid "a repeat of the protests" which had occurred in a number of cities around the world during the Olympics torch relay. Similarly, "The Times" wrote: "China has cancelled the international leg of the Paralympic torch relay, which was due to pass through London, in an apparent attempt to avoid similar protests to those that dogged the Olympic torch’s global tour." Reuters reported simply: "China, whose Beijing Olympic torch relay was dogged by protest overseas, on