Palestinian girl Manar Al-Shinbari (R), 15, who lost her both legs by what medics said was Israeli shelling at a UN-run school where she was taking refuge during the 50-day war last summer, is helped by her sister to put on her headscarf in an apartment in Jabaliya refugee camp in the northern Gaza Strip January 13, 2015. Manar's mother and three of her brothers were killed in the same incident. The girl's family house was destroyed by Israeli shelling during the war. (Photo by Mohammed Salem/Reuters)

Palestinian girl Manar Al-Shinbari, 15, who lost her both legs by what medics said was Israeli shelling at a UN-run school where she was taking refuge during the 50-day war last summer, holds pictures of her relatives, killed in the same incident, in an apartment in Jabaliya refugee camp in the northern Gaza Strip January 13, 2015. (Photo by Mohammed Salem/Reuters)

Palestinian girl Manar Al-Shinbari, 15, who lost her both legs by what medics said was Israeli shelling at a UN-run school where she was taking refuge during a 50-day war last summer, looks out a car window at the ruins of her house (reflected in the window) that witnesses said was destroyed by Israeli shelling during the war, in Biet Hanoun in the northern Gaza Strip January 13, 2015. (Photo by Mohammed Salem/Reuters)

Palestinian girl Manar Al-Shinbari, 15, who lost her both legs by what medics said was Israeli shelling at a UN-run school where she was taking refuge during the 50-day war last summer, uses her walker near the ruins of her house that witnesses said was destroyed by Israeli shelling during the war, in Biet Hanoun in the northern Gaza Strip January 13, 2015. (Photo by Mohammed Salem/Reuters)

Palestinian girl Manar Al-Shinbari sits in an apartment in Jabaliya refugee camp in the northern Gaza Strip January 13, 2015. (Photo by Mohammed Salem/Reuters)

Palestinian girl Manar Al-Shinbari (C), 15, who lost her both legs by what medics said was Israeli shelling at a UN-run school where she was taking refuge during the 50-day war last summer, shakes hands with her friend near the ruins of her house that witnesses said was destroyed by Israeli shelling during the war, in Biet Hanoun in the northern Gaza Strip January 13, 2015. (Photo by Mohammed Salem/Reuters)

Palestinian girl Manar Al-Shinbari (2nd R), 15, who lost her both legs by what medics said was Israeli shelling at a UN-run school where she was taking refuge during the 50-day war last summer, uses her walker at the ruins of her house that witnesses said was destroyed by Israeli shelling during the war, in Biet Hanoun in the northern Gaza Strip January 13, 2015. (Photo by Mohammed Salem/Reuters)

Palestinian girl Manar Al-Shinbari (C), 15, who lost both her legs by what medics said was Israeli shelling at a UN-run school where she was taking refuge during the 50-day war last summer, takes an exam at her school, in Jabaliya refugee camp in the northern Gaza Strip January 13, 2015. (Photo by Mohammed Salem/Reuters)

Palestinian girl Manar Al-Shinbari (L), 15, who lost both her legs by what medics said was Israeli shelling at a UN-run school where she was taking refuge during the 50-day war last summer, is helped by her friend as she leaves her school, in Jabaliya refugee camp in the northern Gaza Strip January 13, 2015. (Photo by Mohammed Salem/Reuters)

A brother of 15-year-old Palestinian girl Manar Al-Shinbari pushes her in a wheelchair inside an apartment in Jabaliya refugee camp in the northern Gaza Strip January 13, 2015. (Photo by Mohammed Salem/Reuters)