Volunteers from a church finish up for the day while tearing down a house in Joplin, Missouri, USA, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
A machine works tearing down and loading what used to be a house in Joplin, Missouri, USA, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
Machine work tearing down and loading what use to be houses in Joplin, Missouri, USA, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
A machine works tearing down and loading what used to be a house in Joplin, Missouri, USA, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
Jackie Mitchell (R) helps members of National Relief Network volunteer tear down her house in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
Members of National Relief Network volunteer tearing down a house in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
An American flag blows in the wind on a hot day in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
Members of National Relief Network volunteer tearing down a house in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
Jonathan Johnson a volunteer with AmeriCorps from Minnesota works clearing a house to be torn down in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
Members of National Relief Network volunteer tearing down a house in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
Members of National Relief Network volunteer tearing down a house in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
Members of National Relief Network carry a bathtub out while volunteering tearing down a house in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
A machine works tearing down and loading what used to be a church in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
Members of National Relief Network volunteer tearing down a house in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
Members of National Relief Network volunteer tearing down a house in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
Members of National Relief Network volunteer tearing down a house in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
A member of National Relief Network volunteers tearing down a house in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
A machine works tearing down and loading what used to be a church in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
A machine works tearing down and loading what used to be a church in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
Jackie Mitchell carries items out of her basement trying to salvage what she can from her home in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
Members of National Relief Network volunteer tearing down a house in Joplin, Missouri, 20 July 2011. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH
A member of National Relief Network takes a break to drink water while volunteering tearing down a house in Joplin, Missouri, 20 July 2011. Temperatures were in the triple digits in multiple states with extreme heat warnings. A EF5 tornado hit the city of Joplin, Missouri on 22 May 2011, killing 159 people. EPA/LARRY W. SMITH