U.S. President Barack Obama reacts as he is almost pulled off the catwalk by a supporter as he arrives to speak at a rally for Hillary Clinton in Las Vegas, Nevada. Picture Kevin Lamarque/Reuters
Participants climb on an art installation as approximately 70,000 people from all over the world gather for the 30th annual Burning Man arts and music festival in the Black Rock Desert of Nevada
Participants watch the flames on the Spire of Fire as approximately 70,000 people from all over the world gather for the 30th annual Burning Man arts and music festival in the Black Rock Desert of Nevada
Evan Jayne, of France, competes in the bareback riding event during the seventh go-round of the National Finals Rodeo in Las Vegas
Democratic U.S. presidential candidate Hillary Clinton (L) arrives with Nevada State Assemblyman Nelson Araujo to purchase ice cream between campaign events in North Las Vegas, Nevada.
A Mutant Vehicle made up like a polar bear drives through the dust during the Burning Man 2015 “Carnival of Mirrors” arts and music festival in the Black Rock Desert of Nevada
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Lightning strikes during a thunderstorm in Las Vegas, Nevada. The monsoon storm dropped heavy rain and hail in parts of the valley causing street flooding and power outages
The supermoon rises east of the South Point Hotel & Casino in Las Vegas, Nevada. A supermoon occurs when a full moon coincides with its perigee, its closest approach to the Earth. Last night’s was the third of 2014, a frequency unlikely to happen again until 2034
Horses walk through flood water behind a home in Moapa, Nevada. Flooding throughout the area damaged homes and roads
A boat sails on Lake Mead on July 17, 2014 in the Lake Mead National Recreation Area, Nevada. Last week, North America’s largest man-made reservoir dropped below 1,082 feet above sea level, the lowest it’s been since the Hoover Dam was built in the 1930s. A 14-year drought in the Southwestern United States and a dwindling supply of water from the Colorado River, in part due to cuts in the reservoir’s annual allocation of water from Lake Powell, has left a white “bathtub ring” of mineral deposits left by higher water levels on the rocks around the lake as high as 130 feet.
A monsoon lightning storm strikes over the Mandalay Bay Resorts and Casino in Las Vegas, Nevada. Monsoon storms are forecast for the rest of the week in Nevada and neighbouring Arizona.
People try out the new 850ft-long SlotZilla Zipline at the Fremont Street Experience in downtown Las Vegas, Nevada
The sun rises over the Hoover Dam, a concrete arch-gravity dam in the Black Canyon of the Colorado River on the border between the US states of Arizona and Nevada. The Hoover Dam was finished in 1936 and impounds Lake Mead, the largest reservoir in theUS by volume.
Lightning strikes above the Mandalay Bay and Luxor casinos on the Las Vegas Strip as a thunderstorm moves through Las Vegas, Nevada in the US.