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In photos: Cities worldwide mark Earth Hour 2011

Some of the world’s major landmarks have their lights turned off for an hour to mark a drive towards energy awareness.

In photos: Cities worldwide mark Earth Hour 2011
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  • Earth Hour 2011 (01)

    The Houses of Parliament, London, seen illuminated (top) and then in darkness as the lights were turned off to mark WWF's Earth Hour.
  • Earth Hour 2011 (02)

    In this combination of two images, the landmark India Gate is seen lit, top, and then in darkness as the lights are turned out for one hour to mark Earth Hour, in New Delhi, India, Saturday, March 27, 2010. Buildings in some 4,000 cities in more than 120 countries were expected to unplug to reduce energy consumption and draw attention to the dangers of climate change, with participants turning off the lights when the clock strikes 8:30 p.m. local time. (AP Photo/PTI, Aman Sharma)
  • Earth Hour 2011 (03)

    The Calgary Tower and other downtown buildings remain lit shortly before shutting off lights to celebrate Earth Hour in Calgary, Alberta on Saturday March 27, 2010. THE CANADIAN PRESS/Larry MacDougal
  • Earth Hour 2011 (04)

    These two combo photos show Malaysia's landmark Petronas Twin Towers, right, and KL Tower, left, being turned off the lights to mark Earth Hour in Kuala Lumpur, Malaysia, Saturday, March 26, 2011. (AP Photo/Lai Seng Sin)
  • Earth Hour 2011 (05)

    Panda Mei Lan turns off the lights of ice panda statues for Earth Hour at the giant panda breeding base in Chengdu in southwest China's Sichuan province on Saturday, March 26, 2011. Landmarks in thousands of cities on Saturday turned off the power for Earth Hour, the fifth such event promoting a sustainable future for the planet.(Photo By Evens Lee/Color China Photo/AP Images)
  • Earth Hour 2011 (06)

    Few lights remain on buldings as most offices join the Earth Hour, a global campaign to switch off their light for one hour to high light the campaign against climate change Saturday, March 26, 2011 in Manila's financial district of Makati, Philippines. (AP Photo/Pat Roque)
  • Earth Hour 2011 (07)

    Students light up candles for the Earth Hour in Zhuji in east China's Zhejiang province on Saturday, March 26, 2011. Landmarks in thousands of cities on Saturday turned off the power for Earth Hour, the fifth such event promoting a sustainable future for the planet.(Photo By Guo Bin/Color China Photo/AP Images)
  • Earth Hour 2011 (08)

    TWO PHOTO COMBO -- In this combination photo of two photos, the Belarusian National Library taken before and after the lights are turned off during the worldwide Earth Hour, a global campaign to highlight the threat of climate change, with lights turned on at top, and below with lights turned off, in Minsk, Belarus, Saturday, March 26, 2011. Many millions of people worldwide are turning off lights and electrical appliances for one hour Saturday night, in a mass gesture to highlight environmental concerns and to call for a binding pact to cut greenhouse gas emissions. Monument of Belarusian enlightener Frantsysk Skorina is on left. (AP Photo/Sergei Grits)
  • Earth Hour 2011 (09)

    This 2-pic combination picture shows the Ukraina Hotel taken before, top, and after the lights are turned off during the worldwide Earth Hour, a global campaign to highlight the threat of climate change in Moscow, Saturday, March 26, 2011. (AP Photo/Misha Japaridze)
  • Earth Hour 2011 (10)

    A combination picture show the 'Gotaplatsen' square and 'Kungsportsavenyn' street before and during (picture below) the Earth Hour in Gothenburg, Sweden, March 26, 2011. During Earth Hour people around the world turn off the electric lights for an hour from 2030 hours to focus on climate problems. (AP Photo / Johan Nilsson / SCANPIX)
  • Earth Hour 2011 (11)

    These combo photos show the White Tower of Thessaloniki a monument and museum on the waterfront of the northern port city of Thessaloniki, before (left) and after (right) turning off lights, to mark the annual Earth Hour in Thessaloniki, on Saturday March 26, 2011. In Greece, floodlights in several monuments and public buildings were switched off for one hour at 8:30 p.m. local time. Thousands of businesses and municipalities also dimmed their lights. (AP Photo/Nikolas Giakoumidis)
  • Earth Hour 2011 (12)

    A combination picture show the Hogalid church (left) and the Ericsson Globe arena (right) before and during (right picture) the Earth Hour in Stockholm, Sweden, March 26, 2011. During Earth Hour people around the world turn off the electric lights for an hour from 2030 hours to focus on climate problems. (AP Photo / Johan Nilsson / SCANPIX)
  • Earth Hour 2011 (13)

    A combination picture show the Royal Palace before and during (picture below) the Earth Hour in Stockholm, Sweden, March 26, 2011. During Earth Hour people around the world turn off the electric lights for an hour from 2030 hours to focus on climate problems. (AP Photo / Erik MÃ¥rtensson / SCANPIX)
  • Earth Hour 2011 (14)

    COMBO - This two-picture combo shows an aerial view of the iconic Christ the Redeemer statue before and after the lights that illuminate the statue are switched off to observe an hour of voluntary darkness for the global "Earth Hour" campaign, in Rio de Janeiro, Brazil, Saturday March 26, 2011. An estimated 1,000 landmarks' lights were turned off worldwide for 60 minutes at 8:30 p.m. local time, as a symbolic act to raise awareness about climate change and to make people aware of everyday energy use. (AP Photo/Felipe Dana)
  • Earth Hour 2011 (15)

    COMBO - This two-picture combo shows the Monument of the Revolution before and after the lights that illuminate the plaza are switched off to observe an hour of voluntary darkness for the global "Earth Hour" campaign, in Mexico City, Mexico, Saturday March 26, 2011. An estimated 1,000 landmarks' lights were turned off worldwide for 60 minutes at 8:30 p.m. local time, as a symbolic act to raise awareness about climate change and to make people aware of everyday energy use. (AP Photo/Marco Ugarte)
  • Earth Hour 2011 (16)

    In this two photo combination, a harbour cruise sails past the geodesic dome of Science World on False Creek before Earth Hour, top, and during Earth Hour after its lights were turned off in Vancouver, Canada, on Saturday March 26, 2011. People around the world are turning off their lights for an hour Saturday night to reduce energy consumption and bring awareness to climate change. (AP Photo/The Canadian Press - Darryl Dyck)

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Gavan Reilly

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