For hours on end, they gaze out on endless waves of withered, yellow - green creosote brush lapping up against sere mountain slopes, broken up here and there by low - lying dry
lakebeds called playas.
Artists seem drawn to the dry
lakebed, where in 1968 Michael Heizer dug a zigzag trench
called «Rift 1» into the surface, one of nine depressions he made in dry lakes throughout Nevada to create a 520 - mile earthwork.