USA Nevada/Arizona border - Hoover Dam on the Colorado River, Lake Mead. Penstock feed towers exposed by low water drought 2010.

- Image ID: BNRBP8
USA Nevada/Arizona border - Hoover Dam on the Colorado River, Lake Mead. Penstock feed towers exposed by low water drought 2010.
David Kilpatrick / Alamy Stock Photo
Image ID: BNRBP8
Location: Hoover Dam, Lake Mead, Nevada, USA