Palestinian boys play at their family house in Biet Lahiya town in the northern Gaza Strip March 24, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian money exchanger displays money at a market in the West Bank city of Ramallah March 25, 2015. Israel's decision to withhold $130 million a month in revenue collected on behalf of the Palestinians is strangling the economy and leaving the banking system dangerously exposed, the Palestinian central bank governor said. (Photo by Mohamad Torokman/Reuters)

A Palestinian man smokes a cigarette at a market in the West Bank city of Ramallah March 25, 2015. (Photo by Mohamad Torokman/Reuters)

Palestinians walk past a bank in the West Bank city of Ramallah March 25, 2015. (Photo by Mohamad Torokman/Reuters)

A Palestinian woman sells secondhand clothes and shoes at a market in the West Bank city of Ramallah March 25, 2015. (Photo by Mohamad Torokman/Reuters)

A Palestinian woman washes up in her kitchen during a power cut in the northern Gaza Strip March 25, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian girl is reflected in a mirror as she stands at her family's house lit by a torch during a power cut in the northern Gaza Strip March 25, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian woman does the washing-up by a candle light at her kitchen during a power cut in the northern Gaza Strip March 25, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian woman carries her daughter at her house during a power cut in the northern Gaza Strip March 25, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian girl looks out through the window of her family's house in the northern Gaza Strip March 25, 2015. (Photo by Mohammed Salem/Reuters)

A laundry man hangs wet clothes on a rope to dry after washing them along a street in Karachi, Pakistan, May 4, 2015. (Photo by Akhtar Soomro/Reuters)

Palestinian boys look out the window of their house that witnesses said was badly damaged by Israeli shelling during a 50-day war last summer, in the east of Gaza City May 6, 2015. (Photo by Mohammed Salem/Reuters)

Palestinians pray and read the Koran inside a mosque that witnesses said was badly damaged by Israeli shelling during a 50-day war last summer, in the east of Gaza City May 6, 2015. (Photo by Mohammed Salem/Reuters)

Palestinians pray inside a mosque that witnesses said was badly damaged by Israeli shelling during a 50-day war last summer, in the east of Gaza City May 6, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian man rests atop the roof of his house that witnesses said was damaged by Israeli shelling during a 50-day war last summer, in the east of Gaza City May 6, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian boy looks on as he stands inside his family's house that witnesses said was badly damaged and burnt by Israeli shelling during a 50-day war last summer, in the east of Gaza City May 6, 2015. (Photo by Mohammed Salem/Reuters)

Palestinian women walk in front of a house that witnesses said was destroyed by Israeli shelling during a 50-day war last summer, in the east of Gaza City May 6, 2015. (Photo by Mohammed Salem/Reuters)

Palestinians burn wheat as part of the process to make frike, in the West Bank city of Jenin May 10, 2015. (Photo by Mohamad Torokman/Reuters)

Palestinian workers rake wheat after burning it as part of the process to make frike, in the West Bank city of Jenin May 10, 2015. (Photo by Mohamad Torokman/Reuters)

A Palestinian worker rakes wheat after burning it as part of the process to make frike, in the West Bank city of Jenin May 10, 2015. (Photo by Mohamad Torokman/Reuters)

A Palestinian worker holds burnt wheat during the process of making frike, in the West Bank city of Jenin May 10, 2015. (Photo by Mohamad Torokman/Reuters)

Girls accompany grooms as they sit separate from the brides during a mass wedding for 150 couples in Beit Lahiya town in the northern Gaza Strip July 20, 2015. The wedding was funded by al-Basheer Society for Relief and Development. (Photo by Suhaib Salem/Reuters)

Palestinian celebrate during a mass wedding for 150 couples in Beit Lahiya town in the northern Gaza Strip July 20, 2015. (Photo by Suhaib Salem/Reuters)

A Palestinian groom walks with his mother and siblings during a mass wedding for 150 couples in Beit Lahiya town in the northern Gaza Strip July 20, 2015. (Photo by Suhaib Salem/Reuters)

Girls accompany grooms as they sit separate from the brides during a mass wedding for 150 couples in Beit Lahiya town in the northern Gaza Strip July 20, 2015. (Photo by Suhaib Salem/Reuters)

A Palestinian boy looks out of a car during a mass wedding for 150 couples in Beit Lahiya town in the northern Gaza Strip July 20, 2015. (Photo by Suhaib Salem/Reuters)

Palestinian girls accompany grooms as they walk separate from the brides during a mass wedding for 150 couples in Beit Lahiya town in the northern Gaza Strip July 20, 2015. (Photo by Suhaib Salem/Reuters)

A camel is seen as Palestinian girls accompany grooms separate from the brides during a mass wedding for 150 couples in Beit Lahiya town in the northern Gaza Strip July 20, 2015. (Photo by Suhaib Salem/Reuters)

Girls accompany grooms as they sit separate from the brides during a mass wedding for 150 couples in Beit Lahiya town in the northern Gaza Strip, July 20, 2015. (Photo by Suhaib Salem/Reuters)

A Palestinian boy looks out his family's house in Shatti (beach) refugee camp in Gaza City July 23, 2015. (Photo by Mohammed Salem/Reuters)

A disabled Palestinian woman sits on a beach as she flees the heat during power cut at Shatti (beach) refugee camp in Gaza City July 23, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian man walks at Shatti (beach) refugee camp during power cut, in Gaza City July 23, 2015. Palestinian Energy officials said residents of Gaza, home to 1.8 million people, have been experiencing up to 18 hours of electricity outage a day for three days due to fuel and power shortages. (Photo by Mohammed Salem/Reuters)

A Palestinian woman makes tea inside her house during power cut at Shatti (beach) refugee camp in Gaza City July 23, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian woman is reflected in a mirror as she stands inside her house during power cut at Shatti (beach) refugee camp in Gaza City July 23, 2015. (Photo by Mohammed Salem/Reuters)

Palestinians sit inside their house, lit by lamps powered by a battery, during power cut at Shatti (beach) refugee camp in Gaza City July 23, 2015. (Photo by Mohammed Salem/Reuters)

Palestinian children play as they use a torch during power cut at Shatti (beach) refugee camp in Gaza City July 23, 2015. (Photo by Mohammed Salem/Reuters)

Palestinians gather outside their house as they flee the heat during power cut at Shatti (beach) refugee camp in Gaza City July 23, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian boy stands outside his family's house during power cut at Shatti (beach) refugee camp in Gaza City July 23, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian man sells corn during power cut at Shatti (beach) refugee camp in Gaza City July 23, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian boy buries himself in the sand as he enjoys the warm weather with his family on a beach along the Mediterranean Sea in the northern Gaza Strip July 24, 2015. (Photo by Mohammed Salem/Reuters)

Palestinians enjoy the warm weather on a beach along the Mediterranean Sea in the northern Gaza Strip July 24, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian man lifts his daughter as he enjoys the warm weather with his family on a beach along the Mediterranean Sea in the northern Gaza Strip July 24, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian man lifts his daughter as he enjoys the warm weather with his family on a beach along the Mediterranean Sea in the northern Gaza Strip July 24, 2015. (Photo by Mohammed Salem/Reuters)

Palestinians wash a horse during warm weather in the Mediterranean Sea off the coast of northern Gaza Strip July 24, 2015. (Photo by Mohammed Salem/Reuters)

Palestinian children enjoy a ride on a ferris wheel near residential buildings, that witnesses said were destroyed by Israeli shelling during a 50-day war last summer, in Beit Lahiya town in the northern Gaza Strip July 27, 2015. (Photo by Mohammed Salem/Reuters)

Palestinian children enjoy a ride on a ferris wheel in the northern Gaza Strip July 27, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian boy lies outside his family house to escape the heat during power cuts at Shatti (beach) refugee camp in Gaza City July 28, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian man lies outside his house to escape the heat during power cuts at Shatti (beach) refugee camp in Gaza City July 28, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian boy plays football outside his family house at Shatti (beach) refugee camp in Gaza City July 28, 2015. (Photo by Mohammed Salem/Reuters)

A Palestinian farmer sorts cactus fruit in a field in the West Bank village of Nilin, near Ramallah, July 29, 2015. (Photo by Mohamad Torokman/Reuters)

A Palestinian woman collects cactus fruit in a field in the West Bank village of Nilin, near Ramallah, July 29, 2015. (Photo by Mohamad Torokman/Reuters)

A Palestinian man sells cactus fruit in a field in the West Bank village of Nilin, near Ramallah, July 29, 2015. (Photo by Mohamad Torokman/Reuters)

A Palestinian sells juice on a beach along the Mediterranean Sea in the northern Gaza Strip July 29, 2015. (Photo by Mohammed Salem/Reuters)

Palestinian children swim in a pool as they enjoy the warm weather with their families at the Blue Beach Resort in Gaza July 25, 2015. A luxurious new tourist resort has opened in the Gaza Strip, its manicured lawns, sparkling pool and private beach in stark contrast to the impoverished territory still struggling to recover from last year's war. The Blue Beach Resort, made up of 162 chalet-style rooms set among palm trees and overlooking the Mediterranean, hopes to become the “most significant tourist attraction and entertainment venue in Gaza”, according to its website. (Photo by Ahmed Jadallah/Reuters)

Palestinian children light candles during a rally to remember 18-month-old Palestinian baby Ali Dawabsheh, who was killed after his family's house was set on fire in a suspected attack by Jewish extremists, in Rafah in the southern Gaza Strip August 2, 2015. Suspected Jewish attackers torched a Palestinian home in the occupied West Bank on Friday, killing an 18-month-old toddler and seriously injuring three other family members, an act that Israel's prime minister described as terrorism. (Photo by Ibraheem Abu Mustafa/Reuters)

Palestinian children light candles during a rally to remember 18-month-old Palestinian baby Ali Dawabsheh, who was killed after his family's house was set on fire in a suspected attack by Jewish extremists, in Rafah in the southern Gaza Strip August 2, 2015. (Photo by Ibraheem Abu Mustafa/Reuters)

Palestinian children light candles during a rally to remember 18-month-old Palestinian baby Ali Dawabsheh, who was killed after his family's house was set on fire in a suspected attack by Jewish extremists, in Rafah in the southern Gaza Strip August 2, 2015. (Photo by Ibraheem Abu Mustafa/Reuters)

A Palestinian boy, whose family's house was destroyed by what witnesses said was Israeli shelling during a 50-day war last summer, sleeps inside a makeshift shelter in Khan Younis in the southern Gaza Strip August 3, 2015. (Photo by Ibraheem Abu Mustafa/Reuters)

A Palestinian woman, whose house was destroyed by what witnesses said was Israeli shelling during a 50-day war last summer, bakes bread outside her makeshift shelter in Khan Younis in the southern Gaza Strip August 3, 2015. (Photo by Ibraheem Abu Mustafa/Reuters)

A Palestinian woman, whose house was destroyed by what witnesses said was Israeli shelling during a 50-day war last summer, uses a tray to fan her son during a wave of heat at her makeshift shelter in Khan Younis in the southern Gaza Strip August 3, 2015. (Photo by Ibraheem Abu Mustafa/Reuters)

Palestinian children, whose family houses were destroyed by what witnesses said was Israeli shelling during a 50-day war last summer, sit between makeshift shelters during a wave of heat in Khan Younis in the southern Gaza Strip August 3, 2015. (Photo by Ibraheem Abu Mustafa/Reuters)

A Palestinian woman, whose house was destroyed by what witnesses said was Israeli shelling during a 50-day war last summer, holds a bottle as she walks outside her makeshift shelter during a wave of heat in Khan Younis in the southern Gaza Strip August 3, 2015. (Photo by Ibraheem Abu Mustafa/Reuters)

A Palestinian youth jumps into a natural spring water pool to cool off on a hot day, near the West Bank village of Beit Jala August 3, 2015. (Photo by Ammar Awad/Reuters)

Palestinian children cool off in a makeshift plastic pool in the yard of the ruins of their family house which was destroyed in the last summer's Israel-Hamas war, in Beit Hanoun, in the northern Gaza Strip, Thursday, July 30, 2015 where the temperature reached 36 degrees Celsius (97F). Chronic electricity and water cuts in conflict-ridden countries make heat waves like the present one even more unbearable – particularly for the more than 14 million people displaced by violence across the region. (Photo by Adel Hana/AP Photo)

In this Tuesday, July 21, 2015, photo, Palestinian kids play in the village of Susiya, south of the West Bank city of Hebron. Residents of this dusty village are bracing for Israeli bulldozers to come and knock down their makeshift homes of tarp, wood and wire any day now. But as they wait for the military order to be carried out, villagers are rallying support from Western governments. (Photo by Majdi Mohammed/AP Photo)

In this Tuesday, July 21, 2015, photo, a Palestinian woman cooks in her family tent in the village of Susiya, south of the West Bank city of Hebron. (Photo by Majdi Mohammed/AP Photo)

In this Tuesday, July 21, 2015, photo, a Palestinian boy runs outside his family tent in the village of Susiya, south of the West Bank city of Hebron. (Photo by Majdi Mohammed/AP Photo)

In this Tuesday, July 21, 2015, photo, a Palestinian boy pours water for birds in the village of Susiya, south of the West Bank city of Hebron. (Photo by Majdi Mohammed/AP Photo)

Palestinian boys stand inside their damaged home in al-Tufah, in the east of Gaza City on July 27, 2015, during a power outage. Residents of Gaza, home to 1.8 million people, have been experiencing up to 15 hours of electricity outage a day for the past two weeks due to fuel and power shortages. (Photo by Mahmud Hams/AFP Photo)

Mohammed al-Masri cools off his family horse near the ruins their house, which was destroyed in the last summer's Israel-Hamas war, in Beit Hanoun, in the northern Gaza Strip, Thursday, July 30, 2015, where the high temperature was 36 degrees Celsius (97F). (Photo by Adel Hana/AP Photo)

A Palestinian vendor walks along a beach in Gaza City selling inflatable toys on July 27, 2015. (Photo by Mohammed Abed/AFP Photo)