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
2011 Pan American Games torch relay 2011, at the pyramids of Teotihuacan outside Mexico City. The Pan American flame was lit in the Pyramid of the Sun, the spot selected by the Pan American Sports Organization (PASO). The relay was organized by the Mexican Olympic Committee and was sponsored by Grupo Omnilife, a nutrition company. The first torch was carried by Pan American Games gold medalist Paola Longoria. The relay began with a moment of silence in honor of the victims of the 2011 Monterrey casino attack. About 3,500 runners carried the torch on the 15,000-kilometer route. The torch arrived in Puerto Vallarta on October 9,