File:Detroit03-29-2008EarthHour.jpg

The skyline of Detroit, Michigan as seen from Windsor, Ontario, Canada across the Detroit River, 29 March, 2008 during Earth Hour when the city turned the lights off between 8:00 p.m. and 9:00 p.m. local time.

REUTERS/ Mike Cassese, Copyright © 2008 Reuters Limited. All rights reserved. Copyright © 2007 Yahoo All rights reserved.