Horseback riders pass the burned area of the Santa Monica Mountains National Recreation Area in Newbury Park, Calif. on May 6, 2013, where some cactus survived the spring fire. Investigators ruled out... more 
Horseback riders pass the burned area of the Santa Monica Mountains National Recreation Area in Newbury Park, Calif. on May 6, 2013, where some cactus survived the spring fire. Investigators ruled out arson as the cause of the fire that charred 44 square miles at the western end of the Santa Monica Mountains. (AP Photo/Tina Burch) less 
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Associated Press | Photo By Tina Burch
Mon, May 6, 2013 5:39 PM EDT