The West Bank is fragmented by checkpoints, settler-only roads, closed military zones and Israeli-declared “nature reserves.” The road barriers come in many forms — barbed wire, metal fences, cement blocks, dirt mounds, trenches and permanent border crossings or terminals like Qalandia around every Palestinian city. The one at Qalandia actually says “Welcome to Israel,” as though it was an international border. Cathy Sultan writes from the occupied West Bank.