David Koch, left, and son Mason sit on rocks at the trail head below their Nevada light display …

David Koch, left, and son Mason sit on rocks at the trail head below their Nevada light display ...

David Koch, left, and son Mason sit on rocks at the trail head below their Nevada light display atop of Black Mountain on Friday, April 24, 2020 in Henderson. (L.E. Baskow/Las Vegas Review-Journal) @Left_Eye_Images