The backside of Riskee Ball, showing the (fail-safe) blow-through aluminum lane backing panels. Published on June 4, 2016 in Burning Man in Pictures 2015 XII: Build (Windstorm) Day Three (Part Two)!Full resolution (3264 × 2448) ← Previous Next → The backside of Riskee Ball, showing the (fail-safe) blow-through aluminum lane backing panels. The backside of Riskee Ball, showing the (fail-safe) blow-through aluminum lane backing panels.