Ultra Orthodox Jewish men examine a citron, known as an etrog, for imperfections, in the orthodox neighborhood of Meah Shearim in Jerusalem on October 13, 2016. The citron is one of the four species used during rituals in the week-long Jewish holiday of Sukkot. Sukkot commemorates the Israelites 40 years of wandering in the desert and a decorated hut or tabernacle is erected outside religious households as a sign of temporary shelter. Photo by Sebi Berens/Flash90

Orthodox Jewish men examine a myrtle branch , known as hadass, for imperfections, in the orthodox Jewish neighborhood of Meah Shearim in Jerusalem on October 13, 2016. The hadass is one of the four species used during rituals in the week-long Jewish holiday of Sukkot. Sukkot commemorates the Israelites 40 years of wandering in the desert and a decorated hut or tabernacle is erected outside religious households as a sign of temporary shelter. Photo by Sebi Berens/Flash90

Portrait of Gael Grunewald, Deputy Chairman of the Jewish National Fund, at his office in Jerusalem, on October 13, 2016. Photo by Hadas Parush/Flash90

Portrait of Gael Grunewald, Deputy Chairman of the Jewish National Fund, at his office in Jerusalem, on October 13, 2016. Photo by Hadas Parush/Flash90

Portrait of Gael Grunewald, Deputy Chairman of the Jewish National Fund, at his office in Jerusalem, on October 13, 2016. Photo by Hadas Parush/Flash90

Portrait of Gael Grunewald, Deputy Chairman of the Jewish National Fund, at his office in Jerusalem, on October 13, 2016. Photo by Hadas Parush/Flash90

President Reuven Rivlin decorates a "Sukka" with children at the President's residence in Jerusalem for the upcoming Jewish holiday of Sukkot, on October 13, 2016. Sukkot commemorates the Israelites 40 years of wandering in the desert and a decorated hut or tabernacle (sukka) is erected outside religious households as a sign of temporary shelter. Photo by Mark Neyman/GPO ***HANDOUT EDITORIAL USE ONLY/NO SALES***

Nathan Eshel, Israeli Prime Minister Benjamin Netanyahu's former chief of staff, at the "Bible Study Club" held at the PM's official Jerusalem residence on October 13, 2016. Netanyahu has revived a tradition started by Israel's first Prime Minister David Ben Gurion. Photo by Marc Israel Sellem/POOL

Sara Netanyahu, wife of Israeli Prime Minister Benjamin Netanyahu, seen with Miriam Peretz at the "Bible Study Club" held at the PM's official Jerusalem residence on October 13, 2016. Netanyahu has revived a tradition started by Israel's first Prime Minister David Ben Gurion. Photo by Marc Israel Sellem/POOL

Sara Netanyahu, wife of Israeli Prime Minister Benjamin Netanyahu, at the "Bible Study Club" held at the PM's official Jerusalem residence on October 13, 2016. Netanyahu has revived a tradition started by Israel's first Prime Minister David Ben Gurion. Photo by Marc Israel Sellem/POOL

Sara Netanyahu, wife of Israeli Prime Minister Benjamin Netanyahu, at the "Bible Study Club" held at the PM's official Jerusalem residence on October 13, 2016. Netanyahu has revived a tradition started by Israel's first Prime Minister David Ben Gurion. Photo by Marc Israel Sellem/POOL

Sara Netanyahu, wife of Israeli Prime Minister Benjamin Netanyahu, at the "Bible Study Club" held at the PM's official Jerusalem residence on October 13, 2016. Netanyahu has revived a tradition started by Israel's first Prime Minister David Ben Gurion. Photo by Marc Israel Sellem/POOL

Avner Netanyahu, son of Israeli Prime Minister Benjamin Netanyahu, at the "Bible Study Club" held at the PM's official Jerusalem residence on October 13, 2016. Netanyahu has revived a tradition started by Israel's first Prime Minister David Ben Gurion. Photo by Marc Israel Sellem/POOL

Sara Netanyahu, wife of Israeli Prime Minister Benjamin Netanyahu, and their son Avner seen with Miriam Peretz at the "Bible Study Club" held at the PM's official Jerusalem residence on October 13, 2016. Netanyahu has revived a tradition started by Israel's first Prime Minister David Ben Gurion. Photo by Marc Israel Sellem/POOL

Avner Netanyahu, son of Israeli Prime Minister Benjamin Netanyahu, at the "Bible Study Club" held at the PM's official Jerusalem residence on October 13, 2016. Netanyahu has revived a tradition started by Israel's first Prime Minister David Ben Gurion. Photo by Marc Israel Sellem/POOL

Israeli Prime Minister Benjamin Netanyahu at the "Bible Study Club" held at the PM's official Jerusalem residence on October 13, 2016. Netanyahu has revived a tradition started by Israel's first Prime Minister David Ben Gurion. Photo by Marc Israel Sellem/POOL

Israeli Prime Minister Benjamin Netanyahu at the "Bible Study Club" held at the PM's official Jerusalem residence on October 13, 2016. Netanyahu has revived a tradition started by Israel's first Prime Minister David Ben Gurion. Photo by Marc Israel Sellem/POOL

Israeli Prime Minister Benjamin Netanyahu and his wife Sara at the "Bible Study Club" held at the PM's official Jerusalem residence on October 13, 2016. Netanyahu has revived a tradition started by Israel's first Prime Minister David Ben Gurion. Photo by Marc Israel Sellem/POOL

Israeli Prime Minister Benjamin Netanyahu and his wife Sara at the "Bible Study Club" held at the PM's official Jerusalem residence on October 13, 2016. Netanyahu has revived a tradition started by Israel's first Prime Minister David Ben Gurion. Photo by Marc Israel Sellem/POOL

Israeli Prime Minister Benjamin Netanyahu at the "Bible Study Club" held at the PM's official Jerusalem residence on October 13, 2016. Netanyahu has revived a tradition started by Israel's first Prime Minister David Ben Gurion. Photo by Marc Israel Sellem/POOL

Israeli Prime Minister Benjamin Netanyahu and his wife Sara at the "Bible Study Club" held at the PM's official Jerusalem residence on October 13, 2016. Netanyahu has revived a tradition started by Israel's first Prime Minister David Ben Gurion. Photo by Marc Israel Sellem/POOL

Yair Netanyahu, son of Israeli Prime Minister Benjamin Netanyahu, at the "Bible Study Club" held at the PM's official Jerusalem residence on October 13, 2016. Netanyahu has revived a tradition started by Israel's first Prime Minister David Ben Gurion. Photo by Marc Israel Sellem/POOL

Israeli Prime Ministre Benjamin Netanyahu meets with the family of 29-year old Israeli police sgt. Yosef Kirme who was killed last week in a terror attack in Jerusalem, when an East Jerusalem resident shot at pedestrians and police, killing two and injuring several more, before being shot by police. October 13, 2016. Photo by Kobi Gideon / GPO ***HANDOUT EDITORIAL USE ONLY/NO SALES***

Israeli Prime Ministre Benjamin Netanyahu meets with the widow of 29-year old Israeli police sgt. Yosef Kirme who was killed last week in a terror attack in Jerusalem, when an East Jerusalem resident shot at pedestrians and police, killing two and injuring several more, before being shot by police. October 13, 2016. Photo by Kobi Gideon / GPO ***HANDOUT EDITORIAL USE ONLY/NO SALES***