Prime Minister Benjamin Netanyahu met with President Reuven Rivlin as the Prime Minister returned from his visit in Russia, at the President's residence in Jerusalem, on April 22, 2016. Photo by Amos Ben Gershom/GPO ***HANDOUT EDITORIAL USE ONLY/NO SALES***

Prime Minister Benjamin Netanyahu met with President Reuven Rivlin as the Prime Minister returned from his visit in Russia, at the President's residence in Jerusalem, on April 22, 2016. Photo by Amos Ben Gershom/GPO ***HANDOUT EDITORIAL USE ONLY/NO SALES***

An Ultra Orthodox Jewish man holds a candle as he performs a ritual in which he looks for remains of leaven after cleaning his home, on the night before the upcoming Pesach (Passover) holiday, in Bnei Brak, on April 22, 2016. Religious Jews throughout the world refrain from eating leavened food products and eat the special Matza bread which is without leaven during the eight-day Pesach holiday (Passover), and commemorates the Israelis' exodus from Egypt some 3,500 years ago and commemorate their ancestors' plight. Photo by Flash90

An Ultra Orthodox Jewish man holds a candle as he performs a ritual in which he looks for remains of leaven after cleaning his home, on the night before the upcoming Pesach (Passover) holiday, in Bnei Brak, on April 22, 2016. Religious Jews throughout the world refrain from eating leavened food products and eat the special Matza bread which is without leaven during the eight-day Pesach holiday (Passover), and commemorates the Israelis' exodus from Egypt some 3,500 years ago and commemorate their ancestors' plight. Photo by Flash90

An Ultra Orthodox Jewish man holds a candle as he performs a ritual in which he looks for remains of leaven after cleaning his home, on the night before the upcoming Pesach (Passover) holiday, in Bnei Brak, on April 22, 2016. Religious Jews throughout the world refrain from eating leavened food products and eat the special Matza bread which is without leaven during the eight-day Pesach holiday (Passover), and commemorates the Israelis' exodus from Egypt some 3,500 years ago and commemorate their ancestors' plight. Photo by Flash90

An Ultra Orthodox Jewish man holds a candle as he performs a ritual in which he looks for remains of leaven after cleaning his home, on the night before the upcoming Pesach (Passover) holiday, in Bnei Brak, on April 22, 2016. Religious Jews throughout the world refrain from eating leavened food products and eat the special Matza bread which is without leaven during the eight-day Pesach holiday (Passover), and commemorates the Israelis' exodus from Egypt some 3,500 years ago and commemorate their ancestors' plight. Photo by Flash90

An Ultra Orthodox Jewish man holds a candle as he performs a ritual in which he looks for remains of leaven after cleaning his home, on the night before the upcoming Pesach (Passover) holiday, in Bnei Brak, on April 22, 2016. Religious Jews throughout the world refrain from eating leavened food products and eat the special Matza bread which is without leaven during the eight-day Pesach holiday (Passover), and commemorates the Israelis' exodus from Egypt some 3,500 years ago and commemorate their ancestors' plight. Photo by Flash90

An Ultra Orthodox Jewish man holds a candle as he performs a ritual in which he looks for remains of leaven after cleaning his home, on the night before the upcoming Pesach (Passover) holiday, in Bnei Brak, on April 22, 2016. Religious Jews throughout the world refrain from eating leavened food products and eat the special Matza bread which is without leaven during the eight-day Pesach holiday (Passover), and commemorates the Israelis' exodus from Egypt some 3,500 years ago and commemorate their ancestors' plight. Photo by Flash90

An Ultra Orthodox Jewish man holds a candle as he performs a ritual in which he looks for remains of leaven after cleaning his home, on the night before the upcoming Pesach (Passover) holiday, in Bnei Brak, on April 22, 2016. Religious Jews throughout the world refrain from eating leavened food products and eat the special Matza bread which is without leaven during the eight-day Pesach holiday (Passover), and commemorates the Israelis' exodus from Egypt some 3,500 years ago and commemorate their ancestors' plight. Photo by Flash90

An Ultra Orthodox Jewish man holds a candle as he performs a ritual in which he looks for remains of leaven after cleaning his home, on the night before the upcoming Pesach (Passover) holiday, in Bnei Brak, on April 22, 2016. Religious Jews throughout the world refrain from eating leavened food products and eat the special Matza bread which is without leaven during the eight-day Pesach holiday (Passover), and commemorates the Israelis' exodus from Egypt some 3,500 years ago and commemorate their ancestors' plight. Photo by Flash90

An Ultra Orthodox Jewish man holds a candle as he performs a ritual in which he looks for remains of leaven after cleaning his home, on the night before the upcoming Pesach (Passover) holiday, in Bnei Brak, on April 22, 2016. Religious Jews throughout the world refrain from eating leavened food products and eat the special Matza bread which is without leaven during the eight-day Pesach holiday (Passover), and commemorates the Israelis' exodus from Egypt some 3,500 years ago and commemorate their ancestors' plight. Photo by Flash90

An Ultra Orthodox Jewish man holds a candle as he performs a ritual in which he looks for remains of leaven after cleaning his home, on the night before the upcoming Pesach (Passover) holiday, in Bnei Brak, on April 22, 2016. Religious Jews throughout the world refrain from eating leavened food products and eat the special Matza bread which is without leaven during the eight-day Pesach holiday (Passover), and commemorates the Israelis' exodus from Egypt some 3,500 years ago and commemorate their ancestors' plight. Photo by Flash90

An Ultra Orthodox Jewish man holds a candle as he performs a ritual in which he looks for remains of leaven after cleaning his home, on the night before the upcoming Pesach (Passover) holiday, in Bnei Brak, on April 22, 2016. Religious Jews throughout the world refrain from eating leavened food products and eat the special Matza bread which is without leaven during the eight-day Pesach holiday (Passover), and commemorates the Israelis' exodus from Egypt some 3,500 years ago and commemorate their ancestors' plight. Photo by Flash90

A Passover Seder dinner table, on the eve of the Jewish holiday of Passover, April 22, 2016. Passover is celebrated to commemorate the Israelites' exodus from Egypt some 3,500 years ago. Photo by Hadas Parush/Flash90

A Passover Seder dinner table, on the eve of the Jewish holiday of Passover, April 22, 2016. Passover is celebrated to commemorate the Israelites' exodus from Egypt some 3,500 years ago. Photo by Hadas Parush/Flash90

The Hagadah of Pesach on the Passover Seder dinner, on the eve of the Jewish holiday of Passover, April 22, 2016. Passover is celebrated to commemorate the Israelites' exodus from Egypt some 3,500 years ago. Photo by Hadas Parush/Flash90

A Passover Seder dinner table, on the eve of the Jewish holiday of Passover, April 22, 2016. Passover is celebrated to commemorate the Israelites' exodus from Egypt some 3,500 years ago. Photo by Hadas Parush/Flash90

The 'Afikoman' on a Passover Seder dinner table, on the eve of the Jewish holiday of Passover, April 22, 2016. The Afikoman is a half-piece of matzo which is broken in two during the early stages of the Passover Seder and set aside to be eaten as a dessert after the meal.Passover is celebrated to commemorate the Israelites' exodus from Egypt some 3,500 years ago. Photo by Hadas Parush/Flash90

The 'Afikoman' on a Passover Seder dinner table, on the eve of the Jewish holiday of Passover, April 22, 2016. The Afikoman is a half-piece of matzo which is broken in two during the early stages of the Passover Seder and set aside to be eaten as a dessert after the meal.Passover is celebrated to commemorate the Israelites' exodus from Egypt some 3,500 years ago. Photo by Hadas Parush/Flash90