View down the Grand canyon towards Lake Mead - Stock image
Arizona, Canyon, Grand Canyon, Grand Canyon National Park, Marble Canyon - Grand Canyon
Grand Canyon, USA - April 7, 2014: This is a view down the Grand Canyon with the Colorado River a deep green colour from the minerals in it and the sky a very deep blue due to a polarizer filter. There are picnic tables in the foreground which are used for picnics by Helicopter companies through an arrangement with the local Hualapai native american tribe. They are being used by a group of tourists who have just arrived by helicopter.