Clip of dune buggy granny from Salton Sea documentary

Regarding my recent post about Salvation Mountain, near the Salton Sea, Ryan says: "My friend Meri Pritchett shot a documentary about the Salton Sea, that
included a long bit on the guy who built Salvation Mountain. The movie
is called Desertopia and was shown on a number of PBS channels."

Picture 4-2
A motley group of eccentrics, hell-raisers, and visionaries have found heaven in the ruins of California's once-premier resort area––The Salton Sea.

Link