Archaeologists and volunteers work Thursday, May 19, 2011, to restore an ancient rock art site in Red Rock Canyon National Conservation Area that was damaged by graffiti vandals in November. (K.M. Cannon/Las Vegas Review-Journal)
Archaeologists and volunteers work Thursday, May 19, 2011, to restore an ancient rock art site in Red Rock Canyon National Conservation Area that was damaged by graffiti vandals in November. (K.M. Cannon/Las Vegas Review-Journal)