Here’s a five-stories-tall stack of 340 bicycles and one tricycle. The Cyclisk: It’s an obelisk weaved from scavenged, useless bike bits, recently hoisted up to poke out of Santa Rosa. The towering tribute to Cali bike culture was wielded by Mark Grieve and Ilana Spector. See some giant stuff Mark Grieve built to get burned at Burning Man above.