Lightning flashes west of (L-R) the Mandalay Bay Resort and Casino, the Luxor Hotel and Casino and the Excalibur Hotel & Casino on the Las Vegas Strip on July 2, 2016 in Las Vegas, Nevada. Two days of monsoon thunderstorms brought strong winds, hail and heavy rain to parts of the valley causing street flooding and power outages. (Photo by Ethan Miller/Getty Images)
