Stock Photo: Two types of lightning from base of a storm cloud northeast of Tucson, a series of lightning crawlers under the cloud base and cloud-to-ground discharges. Summer monsoon season, Sonoran Desert. Southeastern Arizona, USA. Panoramic 6x17 film

Stock Photo: 1899-50053 Two types of lightning from base of a storm cloud northeast of Tucson, a series of lightning crawlers under the cloud base and cloud-to-ground discharges.  Summer monsoon season, Sonoran Desert. Southeastern Arizona, USA.  Panoramic 6x17 film