These awe-inspiring photos of Mother Nature might just be reason enough to give a thankful nod on Earth Day. Here, using clever low exposure techniques, photographer Rolf Maeder managed to capture multiple lightning strikes hitting the Grand Canyon.
Lightening hits the earth 6000 times a minute. - National Geographic - Iceland Vocano Pictures: Lightning Adds Flash to Ash. Intense lightning storms mixed with ash clouds to electrify the night sky over Iceland's Eyjafjallajökull volcano in April 2010
Photographer captures earth's most alien landscapes