Boulder City, NV - 27 July 2016: The concrete wall of the Hoover Dam, major hydroelecric power plant and water storage at the border between Arizona a

- Image ID: K7A28P
Boulder City, NV - 27 July 2016: The concrete wall of the Hoover Dam, major hydroelecric power plant and water storage at the border between Arizona a
EThamPhoto / Alamy Stock Photo
Image ID: K7A28P
Boulder City, NV - 27 July 2016: The concrete wall of the Hoover Dam, major hydroelecric power plant and water storage at the border between Arizona and Nevada.
Location: Hoover Dam, USA