Grand Canyon National Park, AZ / Marble Canyon's side-canyons flash flooding, pouring into Marble Canyon and the Colorado River, in long sinuous falls. 92002V3
Grand Canyon National Park., AZ / Moran Point, South Rim, with new show on pinnacles and clearing storm in background. 303H4
Grand Canyon Natn'l Park, AZ. / Cape Royal with summer rain storm's lightning bolt striking the South Rim with the San Francisco Peaks in the background. 903H1