FILE - In this Aug. 26, 2002 file photo the sun rises behind a wood and neon statue, the center piece of the annual Burning Man festival north of Gerlach, Nev. Burning Man organizers are considering requiring attendees to prove they've been vaccinated for COVID-19 if they move forward with plans to hold this year's counter-culture festival in the Nevada desert. But they have backed off an earlier announcement that they'd already decided to make shots mandatory, and won't decide for sure until the end of the month whether the event that was canceled last year due to the pandemic will even take place. (AP Photo/Debra Reid, File)

FILE - In this Sept. 2, 2004 file photo stilt walkers enjoy a sunset stroll at the Burningman counter culture arts festival in the Black Rock Desert 100 miles north east of Reno, NV. Burning Man organizers are considering requiring attendees to prove they've been vaccinated for COVID-19 if they move forward with plans to hold this year's counter-culture festival in the Nevada desert. But they have backed off an earlier announcement that they'd already decided to make shots mandatory, and won't decide for sure until the end of the month whether the event that was canceled last year due to the pandemic will even take place. (Photo Scott Sady/The Reno Gazette-Journal via AP)

FILE - In this Sept. 4, 2004 file photo the crowd of thousands cheer as the Burning Man is burned to the ground, at the 18th annual Burning Man Celebration, at Black Rock Desert. Burning Man organizers are considering requiring attendees to prove they've been vaccinated for COVID-19 if they move forward with plans to hold this year's counter-culture festival in the Nevada desert. But they have backed off an earlier announcement that they'd already decided to make shots mandatory, and won't decide for sure until the end of the month whether the event that was canceled last year due to the pandemic will even take place. (Lacy Atkins/San Francisco Chronicle via AP, File)