After 9/11, two arborists joined the grim task of collecting evidence in the woods of Shanksville
Arborist Ben Haupt, who worked to recover the debris from the hijacked United Airlines Flight 93 near Shanksville, looks out at the flight path where the plane crashed in Stoystown, Pennsylvania, U.S., September 2, 2021. Picture taken September 2, 2021. REUTERS/Hannah Beier
