CLIMA: WWF; ORA DELLA TERRA.
The Royal Palace in Stockholm, Sweden, goes dark to mark Earth Hour, 27 March, 2010. Earth Hour takes place worldwide at 8.30 p.m. local time and is a global call to turn off lights for 60 minutes in a bid to highlight the global climate change. EPA/FREDRIK PERSSON / SCANPIX / SWEDEN OUT Fredrik Persson
