FILE – A Palestinian youth walks inside a tunnel used for military exercises during a weapon exhibition at a Hamas-run youth summer camp in Gaza City July 20, 2016. An extensive labyrinth of tunnels built by Hamas stretches across the dense neighborhoods of the Gaza Strip, hiding militants, their missile arsenal and the over 200 hostages they now hold after an unprecedented Oct. 7, 2023, attack on Israel. (AP Photo/Adel Hana, File)