view at the grand canyon landscape with thunderstorm

america arizona background backpacking below boulders canyon cliffs clouds coloradoriver colorful desert flowingwater geology gorge grand grandcanyon grandcanyonnationalpark grandcanyonsouthrim grandcanyonviewpoints horizontal landscape landscapes lightning national nationalparks nature overcastsky plateau red river rock scenic sky slopes southrim southwest steep steepcliffs storm stormclouds thunder thunderclouds thunderstorm tourism usa usaflag viewfromabove weather winter