Sendai is still recovering and rebuilding after the devastating earthquake and tsunami that killed thousands of people and caused widespread destruction across northeastern Japan in March 2011 . Airport workers unearthed the shell buried near a road . All 92 flights in and out of the airport have been canceled Tuesday . Authorities hope to resume operations tomorrow once the shell has been removed . It is thought to be a U.S.-made bomb dropped in World War II .
Airport workers unearthed the shell buried near a road . All 92 flights in and out of the airport have been canceled Tuesday . Authorities hope to resume operations tomorrow once the shell has been removed . It is thought to be a U.S.-made bomb dropped in World War II .