Earth Hour 2013: Let's switch off the Planet...

Paris switches off lights for Earth Hour.

Paris will turn off the light of more than 200 buildings: City Hall, Parc des Princes, Notre 
Dame Cathedral, Hotel des Invalides, Opéra Garnier and Opera Bastille, all bridges, 
fountains and squares. As for the Eiffel Tower, the lights will be extinguished for 5 minutes
for security reasons.

___