Playground at Briarwood Elementary. #moore
Tree uprooted near Briarwood Elementary.
What's left of Briarwood Elementary. All kids pulled out safely.
What's left of someone's kitchen in OKC near Moore, Okla.
Cars crushed by garage roof near Moore, Okla.
Storm shelters like this one helped saved a lot of lives in Moore, Okla.
People assess the damage after a powerful tornado ripped through the area on May 20, 2013 in Moore, Oklahoma.
Flipped vehicles are piled up outside the heavily damaged Moore Medical Center after a powerful tornado ripped through the area on May 20, 2013 in Moore, Okla. The tornado touched down in the Oklahoma City area on Monday killing at least 51 people.
Tornado in Oklahoma City area, May 20, 2013.
Emergency responders dig through the rubble at Plaza Towers Elementary School in Moore, Okla., after a mile-wide tornado blasted through the city on Monday, May 20.