Sun Pillars, or light pillars as they're sometimes called, are uncommon natural phenomena caused by ice crystals high in the atmosphere. More information on these unusual sunrise/sunset phenomena can be obtained from the following websites:
Weather Phenomenon & Elemensts - Light Pillars
click HERE
NASA Astronomy Webpage with more information
click HERE
All images are Copyrighted by Gary Martin, 1996-2004. No images can be downloaded or used for any purpose without premission in writing from the copyright holder.