Article Photos: Oklahoma City mayor says 12,000 to 13,000 homes damaged or destroyed by May 20 tornado 14/564

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 <strong></strong>