Stock Photo: Two types of lightning over the Sonoran Desert, a cloud-to-ground discharge with air discharge lightning. Saguaro cacti silhouetted on ridge. Tucson Mountains, Tucson, Arizona, USA.

Stock Photo: 1899-49824 Two types of lightning over the Sonoran Desert, a cloud-to-ground discharge with air discharge lightning. Saguaro cacti silhouetted on ridge.   Tucson Mountains, Tucson, Arizona, USA.