Palestinians walk near concrete walls in the East Jerusalem neighborhood of Jabel Mukaber, October 18, 2015, on Sunday Police started setting up a concrete wall between Jabel Mukaber, an Arab neighborhood, and Armon Hanatziv, a Jewish neighborhood. the walls is part of the police effort to stop the Molotov cocktails that being thrown at Jewish homes. Photo by Yonatan Sindel/Flash90 *** Local Caption *** ????