(ref 7) This file is licensed under Creative Commons Attribution ShareAlike 2.5 License
Photo taken by Luca Galuzzi * http://www.galuzzi.it
HDR image of Upper Antelope Canyon, Page, Arizona. Antelope Canyon is a slot canyon in the American Southwest
that was formed by erosion of Navajo Sandstone, primarily due to flash flooding
and secondarily due to other Sub-aerial processes. HDR image from 4 different exposures.