File photo taken on Oct. 30, 2013 shows Palestinian construction workers on a building site in the Jewish settlement of Ramat Shlomo, near the Arab neighborhood of Beit Hanina, East Jerusalem. Israel started building 2,534 housing units in the settlements throughout 2013, a 123 percent rise from 2012, the Central Bureau of Statistics published on March 3, 2014. (Xinhua/Muammar Awad)