Aerial view of the Hoover Dam and Lake Mead, Nevada, USA, North America

Aerial view of the Hoover Dam and Lake Mead, Nevada, USA, North America

The Hoover Dam and Lake Mead from the air, Nevada, USA.

Hoover Dam, Lake Mead Reservoir, Boulder City, Nevada, United States of America, North America

Aerial of the Andes mountains, Chile, South America

Lake mead at sunset, Nevada, USA

Aerial view of Lake Mead with surrounding arid landscape in Nevada, United States of America, North America

Lake Mead, Nevada, USA. The lake is at a very low level due to the four year long drought, with the boundary of where the water used to reach, clearly visible.

The Hoover Dam and Lake Mead hydro electric plant, which is at very low levels following a four year drought

The overspill, standing high and dry at the Hoover Dam on Lake Mead, Nevada, USA, following a four year long drought.

The Hoover Dam and Lake Mead hydro electric plant, which is at very low levels following a four year drought

Lake Mead, Nevada, USA. The lake is at a very low level due to the four year long drought, with the boundary of where the water used to reach, clearly visible.

Lake Mead behind Hoover Dam, the white ring around the reservoir shows the high water level, Boulder City, Nevada, USA

Hoover Dam, Lake Mead Reservoir, Nevada, USA, North America

View from the Hoover Dam Bypass Bridge to the dam wall of the Hoover Dam, Hoover Dam, Dam, near Las Vegas, Colorado River, Lake Mead, Boulder City, Arizona Border, Nevada, USA, North America

View of the Hoover Dam Bypass Bridge and Dam from the Hoover Dam, Hoover Dam, Dam, near Las Vegas, Colorado River, Lake Mead, Boulder City, former Junction City, Arizona Border, Nevada, USA border

View of the Hoover Dam as seen from the Mike O'Callaghan-Pat Tillman Memorial Bridge, Lake Mead National Recreation Area, Arizona, Nevada, USA, PublicGround

View from the Hoover Dam Bypass Bridge to the dam of the Hoover Dam, Hoover-Dam, Colorado River, Lake Mead, Arizona, Nevada, USA, North America

Lake Mead Reservoir at the Hoover Dam, Nevada, USA, North America

View from the Hoover Dam Bypass Bridge to the dam of the Hoover Dam, Hoover-Dam, Colorado River, Lake Mead, Arizona, Nevada, USA, North America

The Hoover Dam and Lake Mead; the white ring around the shoreline shows the declining water level, Boulder City, Nevada, USA

Lake Mead Lakeview Overlook, view over the lake and Lake Mead Marina, near Hoover Dam, Boulder City, formerly Junction City, Nevada, USA, North America

Hoover Dam, Lake Mead Reservoir, Nevada, USA, North America

Hoover Dam water turbine towers, Nevada, United States of America, North America

Las Vegas Boat harbor, Lake Mead National Recreation area, from Highway 166, Nevada, United States of America, North America

Hoover Dam water turbine towers, Arizona side, United States of America, North America

USA, Nevada, Lake Mead