March 30/2012 - 8:30-9:30 pm
Paris will switch off for an hour the outdoor lighting of more than
200 public buildings: the City Hall, the Parc des Princes, the Notre
Dame Cathedral, the Hotel des Invalides, the Opera Garnier and
the Opera Bastille, as well as many bridges, fountains and Parisian
squares...
As for the Eiffel Tower, it can't be extinguished for more than 5 mn
for security reasons.
[Here in Griset: candlelight dinner with a firefighter, for security reasons].
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjFkpdyDedlA4HqhJL9vOstlo155whrPGWKa_2OLCmcp4cuz8QaUFPxWG-dbnqvQmHoxUGbq0qVJFAi_gEYYVQq3rtjdAs_c8h70teJGjgn0T2Bw1TNAJAdGbMujJT69aZNwjLPKA4JPPQ/s320/60min_planet.png)
Earth Hour 2011 created history as the world's largest ever voluntary action with
people, businesses and governments in 135 countries across every continent
coming together to celebrate an unambiguous commitment to the one thing that
unites us all - the planet.
[EarthHour]
This year, hundreds of landmarks around the world, including Washington’s National
Cathedral, Big Ben in London, the Great Wall of China and Tokyo Tower planned to dim
their lights at 8:30 p.m. local time Saturday as part of a global effort to shine a spotlight
on climate change.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiyPyfJKjgE7ypET9Vc3KLYPbNBLrjkTmjjWYabTY0EOat3_r4VOAcmfPSLtQaESF6c1cUSyPylq6YVrESn47-M-7-xX8iRYE_mPSZGrp3_msEyc1IFlJexrYfhD2ay-LCPgqrC-j8eLqo/s400/Badaling_GreatWall.png)
[Lintao Zhang / Getty Images]
The Badaling section of the Great Wall is shown before Earth Hour in Beijing.
About 124 Chinese cities joined the worldwide initiative to call on people to switch
off unnecessary lights for one hour in support for energy-saving efforts and the
prevention of global warming.
[More pics on 'Lights Out for Earth Hour' slideshow , Washington Post].
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