A visitor walks along the top of the Hoover Dam, which opened to the public after being closed …

A visitor walks along the top of the Hoover Dam, which opened to the public after being closed ...

A visitor walks along the top of the Hoover Dam, which opened to the public after being closed for months due to COVID-19, on Tuesday, Oct. 20, 2020, in Boulder City. (L.E. Baskow/Las Vegas Review-Journal) @Left_Eye_Images