A key, symbolizing the Palestinians who lost their homes at the creation of the state of Israel in 1948, sits at the entrance of the West Bank city of Jericho, on Feb. 22. Thomas Coex/AFP/Getty Images hide caption

itoggle caption Thomas Coex/AFP/Getty Images

A decade ago, Israel's separation barrier cut off Ishaq Amer's home from its Palestinian village. Emily Harris/NPR hide caption

itoggle caption Emily Harris/NPR