Smoke and fire from the explosion of an Israeli strike rise over Gaza City on July 29, 2014. Israel escalated its military campaign against Hamas earlier this week, striking symbols of the group's control in Gaza and firing tank shells that shut down the strip's only power plant in the heaviest bombardment in the fighting so far. #

A spherical shockwave surrounds the muzzle of an Israeli artillery piece as it fires a 155mm shell towards targets from their position near Israel's border with the Gaza Strip on July 30, 2014. #

An Israeli woman is taken by paramedics on a stretcher to the hospital after a rocket launched from the Gaza Strip hit an apartment in the coastal city of Ashkelon, Israel, on July 25, 2014. #

Fliers are dropped over Gaza City by the Israeli army urging residents to evacuate their homes on July 30, 2014. Israeli bombardments early on July 30 killed "dozens" of Palestinians in Gaza, including at least 16 at a UN school, medics said, on day 23 of the Israel-Hamas conflict. #

One of several Israeli shells is captured mid-flight, just before it strikes a target in the northern Gaza Strip, viewed from the Israeli border with Gaza on July 26, 2014. #

A mare and her foal walk through the rubble of destroyed buildings in the northern district of Beit Hanun in the Gaza Strip, during a humanitarian truce on July 26, 2014. The bodies of at least 35 Palestinians were recovered from rubble across Gaza during the truce. #

A boy looks on as the carcass of a donkey killed earlier in the day, when a strike hit a UN school in the Jabalia refugee camp in the northern Gaza Strip, is removed on July 30, 2014. #

Palestinians gather around the rubble of a building where at least 20 members of the Al Najar extended family were killed by an Israeli strike in Khan Younis, in the southern Gaza Strip, on July 26, 2014. #

Israeli army officers talk with journalists at the entrance of a tunnel said to be used by Palestinian militants for cross-border attacks before an army-organized tour at the Gaza border on July 25, 2014. #

An Israeli army officer gives explanations to journalists during an army-organized tour in a tunnel said to be used by Palestinian militants for cross-border attacks, on July 25, 2014. #

Palestinians lay on the ground following an Israeli Strike in Shijaiyah neighborhood, eastern Gaza City, on July 30, 2014. Among those killed in this incident was photojournalist Rami Rayan, working with the Palestine Network for Press and Media (on the ground, center-left, blue shirt, black vest). A terrifying first-person video of this shelling can been viewed here. #

A bird flies near the media complex that houses the offices of Hamas-run Al Aqsa television and radio after it was targeted in an Israeli strike in central Gaza City on July 29, 2014. #

Israeli soldiers, family, and friends mourn over the grave of Sergeant Sagi Erez, an infantry soldier training to be a squad commander, during his funeral at the military cemetery in Haifa, northern Israel on July 29, 2014. Erez, 19, was killed Monday in combat after Gaza militants used a tunnel to sneak into Israel. #

Palestinian Ismail Radwan, 45, inspects the damage to his family apartment caused by a fallen minaret of the Al-Sousi mosque, that was destroyed in an Israel strike, at Shati refugee camp, in the northern Gaza Strip, on July 30, 2014. #

Palestinians try to dig a body out of the rubble of a destroyed house hit by an Israeli strike during a 12-hour cease-fire in Gaza City's Shijaiyah neighborhood on July 26, 2014. #

An abandoned shoe sits beside drying blood at a United Nations-run school sheltering Palestinians displaced by an Israeli ground offensive, that police said was hit by an Israeli shell, in Beit Hanoun in the northern Gaza Strip, on July 24, 2014. At least 15 people were killed and many wounded when a shell struck the school. Chris Gunness, spokesman for the main U.N. agency in Gaza UNRWA, confirmed the strike and criticized Israel. The Israeli military said an investigation into the attack on the school showed that a single errant mortar shell landed in an empty courtyard, denying it was responsible for the deaths. #

Two-year-old Palestinian girl Naama Abu al-Foul sleeps after undergoing treatment at Gaza City's Al-Shifa hospital following Israeli bombing next to her family's home in the battered city on July 23, 2014. #

Israeli soldiers carry their comrade on a stretcher after he was wounded in a Palestinian mortar strike, as they evacuate him from the scene outside the central Gaza Strip on July 28, 2014. #

A man carries the body of Palestinian girl, who medics said was killed in an Israeli air strike that destroyed her family's house, in Khan Younis in the southern Gaza Strip on July 29, 2014. #

Flames engulf the fuel tanks of the only power plant supplying electricity to the Gaza Strip after it was hit by overnight Israeli shelling, on July 29, 2014, in the south of Gaza City. The damage of the power plant exacerbated the heavy damage to civilian infrastructure in Gaza already inflicted during the 22 days of the Israeli offensive aimed at stamping out militant rocket fire and destroying attack tunnels. #

An Israeli soldier attends the funeral of fellow Israeli soldier Liad Lavi, who died after succumbing to wounds he sustained last week while fighting in Gaza, in Meitar near Beersheba, on July 28, 2014. #

Displaced Palestinian Hajar Muharram, 5, sits in a classroom where her family of seven now live, at a U.N. school, in Beit Lahiya, northern Gaza Strip, on July 31, 2014. #