The 13th annual Earth Hour was observed Saturday as nearly 200 major landmarks turned off their lights at 8:30 p.m. local time. The event, organized by the World Wildlife Fund, has grown steadily since the first event in 2007 and is now observed by more than 180 countries and territories.
Earth Hour 2019
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The Kremlin is seen before the lights are switched off for Earth Hour in Moscow, March 30, 2019.
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The Kremlin is seen after the lights are switched off for Earth Hour in Moscow, March 30, 2019.
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The Cathedral of Christ the Saviour is seen before the lights are switched off for Earth Hour in Moscow, March 30, 2019.
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The Cathedral of Christ the Saviour is seen after the lights are switched off for Earth Hour in Moscow, March 30, 2019.