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
2015 Parapan American Games torch relay torchbearers were selected by a random selection, while the others were selected by torch relay communities and games partners. The torch was carried by 250 torchbearers. All cities are in the Province of Ontario. 2015 Parapan American Games torch relay The 2015 Parapan American Games torch relay was a 5-day torch relay, from August 3 to 7, 2015, being held prior to the start of the Games. Two torches were lit, one in the west at Niagara Falls and one in the east at Ottawa. Covering over , the two torches made their way towards and reunited in Toronto. An