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
Winter Olympic Games Olympic flag presented at the 1920 Summer Olympics in Antwerp was stolen, as was its replacement. There was unprecedented parity at these Games, during which 10 countries won gold medals—more than any Games to that point. The Olympic Flame for the 1952 Games in Oslo, was lit in the fireplace by skiing pioneer Sondre Nordheim, and the torch relay was conducted by 94 participants entirely on skis. Bandy, a popular sport in the Nordic countries, was featured as a demonstration sport, though only Norway, Sweden, and Finland fielded teams. Norwegian athletes won 17 medals, which outpaced all the other nations.