- Elon Musk's brother, Kimbal Musk, and Google cofounder Sergey Brin have been spotted at Burning Man.
- Two of the biggest tech camps have been severely flooded, attendees told WSJ.
- Another tech founder said they abandoned their luggage and waded through ankle-deep mud.
Elon Musk's brother, Kimbal Musk, and Google cofounder Sergey Brin have been spotted at Burning Man as attendees continue to battle chaotic conditions.