CTV MontrealAntarctica to Pyramids _ lights dim for Earth HourThe Associated PressBONN, Germany (AP) - From an Antarctic research base to the Great Pyramids of Egypt and beyond, the world switched off the lights on Saturday for Earth Hour, dimming skyscrapers, city streets and some of the world's most recognizable monuments for 60 ...Video: Raw Video: Cities Go Dark for 'Earth Hour' The Associated PressBoston buildings, landmarks to go dark tonight for Earth Hour Boston GlobeLos Angeles Times - United Press International - FOXBusiness - Reutersall 3,094 news articles