A woman takes a break while others search through what used to be a house in Joplin, Missouri, USA, on 28 May 2011, after a EF5 tornado hit the town of on 22 May 2011. The tornado caused damage to a large portion of the town and the city's hospital and school, killing 142 people. EPA/LARRY W. SMITH
The front door of a house still stands on the slab with the fallen house behind it in Joplin, Missouri, USA, on 28 May 2011, after a EF5 tornado hit the town of on 22 May 2011. The tornado caused damage to a large portion of the town and the city's hospital and school, killing 142 people. EPA/LARRY W. SMITH
Elvia Alanis (L) climbs through the window of her house with the help of her friend Carmen Irizarry (R) in Joplin, Missouri, USA, on 28 May 2011, after a EF5 tornado hit the town of on 22 May 2011. The tornado caused damage to a large portion of the town and the city's hospital and school, killing 142 people. EPA/LARRY W. SMITH
A wooden cross with an American flag attached to it stands against a house in Joplin, Missouri, USA, on 28 May 2011, after a EF5 tornado hit the town of on 22 May 2011. The tornado caused damage to a large portion of the town and the city's hospital and school, killing 142 people. EPA/LARRY W. SMITH
Jerrod Reineke walks across the roof of his grandfathers house in Joplin, Missouri, USA, on 28 May 2011, after a EF5 tornado hit the town of on 22 May 2011. The tornado caused damage to a large portion of the town and the city's hospital and school, killing 142 people. EPA/LARRY W. SMITH
A car sits in the street in front of the remains of houses in Joplin, Missouri, 28 May 2011, after an EF5 tornado hit the town of of Joplin, Missouri, USA, on 22 May 2011. The tornado caused damage to a large portion of the town and the cities hospital and school, killing 142 people. EPA/LARRY W. SMITH
Kenzie Buffalo (L) plays catch with a baseball on the roof of what used to be her grandfather's house with her friend Sarah Koepke (R) in Joplin, Missouri, 28 May 2011, after a EF5 tornado hit the town of of Joplin, Missouri, 22 May 2011. The tornado caused damage to a large portion of the town and the city's hospital and school, killing 142 people. EPA/LARRY W. SMITH
A American Flag blows in the wind attached to a fallen tree in front of where a house stood in Joplin, Missouri, USA, on 28 May 2011, after a EF5 tornado hit the town of on 22 May 2011. The tornado caused damage to a large portion of the town and the city's hospital and school, killing 142 people. EPA/LARRY W. SMITH
Kenzie Buffalo (L) plays catch with a baseball on the roof of what used to be her grandfather's house with her friend Sarah Koepke (R) in Joplin, Missouri, 28 May 2011, after a EF5 tornado hit the town of of Joplin, Missouri, 22 May 2011. The tornado caused damage to a large portion of the town and the city's hospital and school, killing 142 people. EPA/LARRY W. SMITH
A man made cross with an American Flag attached to it stands against a house in Joplin, Missouri, USA, on 28 May 2011, after a EF5 tornado hit the town on 22 May 2011. The tornado caused damage to a large portion of the town and the city's hospital and school, killing 142 people. EPA/LARRY W. SMITH
Eighty five year old Don Atteberry sits on his front porch of what is left of his house in Joplin, Missouri, USA, on 28 May 2011, after a EF5 tornado hit the town on 22 May 2011. The tornado caused damage to a large portion of the town and the city's hospital and school, killing 142 people. EPA/LARRY W. SMITH
