Article Photos: Oklahoma City mayor says 12,000 to 13,000 homes damaged or destroyed by May 20 tornado 359/564

Volunteer Shelby Hays helps tornado victim Amber Kelley choose shoes for her children outside the Plaza Towers neighborhood in Moore, Okla., on Wednesday, May 22, 2013.A tornado damaged the area on Monday, May 20, 2013. Photo by Bryan Terry, The Oklahoman