Oklahoma City mayor says 12,000 to 13,000 homes damaged or destroyed by May 20 tornado - Article Photos 14/565

Judy Pendergraft?s grandsons, Andrew Peery, left, and Jeremy Peery help her cut down a fallen tree in her driveway in the Hidden Valley addition in southeast Edmond. PHOTO BY LILLIE-BETH BRINKMAN, THE OKLAHOMAN