Gravel helps keep the floor level and prevents moisture from seeping up. The floor installers are Jean Pierre (left), a mason, and Daniel Shenyi, operations manager for EarthEnable. Courtesy of EarthEnable hide caption

itoggle caption Courtesy of EarthEnable

The Citigroup Center is viewed in midtown Manhattan. Critics say the U.S. settlement with the banking giant will do nothing for those hurt most by the foreclosure crisis: people who lost their homes. Timothy A. Clary/AFP/Getty Images hide caption

itoggle caption Timothy A. Clary/AFP/Getty Images