The Tucson Mountains are seen in Tucson, Arizona on May 15, 2015. AFP PHOTO/ BRENDAN SMIALOWSKI (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)
The Tucson Mountains are seen in Tucson, Arizona on May 15, 2015. AFP PHOTO/ BRENDAN SMIALOWSKI (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)