A masked Palestinian throws back a tear gas canister during clashes after a rally marking the Nakba Day outside the West Bank town of Hebron, Wednesday , May 15, 2013. Palestinians annu

 

              A masked Palestinian throws back a tear gas canister during clashes after a rally marking the Nakba Day outside the West Bank town of Hebron, Wednesday , May 15, 2013. Palestinians annu
A masked Palestinian throws back a tear gas canister during clashes after a rally marking the Nakba Day outside the West Bank town of Hebron, Wednesday , May 15, 2013. Palestinians annually mark the "nakba," or "catastrophe" the term they use to describe their defeat and displacement in the war that followed Israel's founding in 1948. (AP Photo/Nasser Shiyoukhi)