A view shows the Hermitage museum during Earth Hour in St. Petersburg March 31, 2012. Earth Hour, when everyone around the world is asked to turn off lights for an hour from 8.30 p.m. local time, is meant as a show of support for tougher action to confront climate change. REUTERS/Alexander Demianchuk (RUSSIA – Tags: SOCIETY ENVIRONMENT CITYSPACE ANNIVERSARY ENERGY TRAVEL) – RTR3060O