A Palestinian militant from the Islamic Jihad's armed wing, the Al-Quds Brigades, stands next to a watch-tower on the border of the village of Khuzaa, east of Khan Yunis, in the southern Gaza Strip, on July 9, 2015, on the first anniversary of the 50-day war between Israel and Hamas' militants in the summer of 2014. One year ago, war erupted between Israel and Palestinians in the Gaza Strip, the third in six years. In the course of the conflict, over 2,000 Palestinians were killed, including 551 children. More than 10,000 were wounded and 100,000 were left homeless. On the Israeli side, 73 people were killed, of whom 67 were soldiers. Up to 1,600 were wounded, according to the United Nations. Photo by Abed Rahim Khatib/Flash90

Palestinian militants from the Islamic Jihad's armed wing, the Al-Quds Brigades, stand next to a watch-tower on the border of the village of Khuzaa, east of Khan Yunis, in the southern Gaza Strip, on July 9, 2015, on the first anniversary of the 50-day war between Israel and Hamas' militants in the summer of 2014. One year ago, war erupted between Israel and Palestinians in the Gaza Strip, the third in six years. In the course of the conflict, over 2,000 Palestinians were killed, including 551 children. More than 10,000 were wounded and 100,000 were left homeless. On the Israeli side, 73 people were killed, of whom 67 were soldiers. Up to 1,600 were wounded, according to the United Nations. Photo by Abed Rahim Khatib/Flash90

Palestinian militants from the Islamic Jihad's armed wing, the Al-Quds Brigades, stand next to a watch-tower on the border of the village of Khuzaa, east of Khan Yunis, in the southern Gaza Strip, on July 9, 2015, on the first anniversary of the 50-day war between Israel and Hamas' militants in the summer of 2014. One year ago, war erupted between Israel and Palestinians in the Gaza Strip, the third in six years. In the course of the conflict, over 2,000 Palestinians were killed, including 551 children. More than 10,000 were wounded and 100,000 were left homeless. On the Israeli side, 73 people were killed, of whom 67 were soldiers. Up to 1,600 were wounded, according to the United Nations. Photo by Abed Rahim Khatib/Flash90

Palestinian militants from the Islamic Jihad's armed wing, the Al-Quds Brigades, seen inside a watch-tower on the border of the village of Khuzaa, east of Khan Yunis, in the southern Gaza Strip, on July 9, 2015, on the first anniversary of the 50-day war between Israel and Hamas' militants in the summer of 2014. One year ago, war erupted between Israel and Palestinians in the Gaza Strip, the third in six years. In the course of the conflict, over 2,000 Palestinians were killed, including 551 children. More than 10,000 were wounded and 100,000 were left homeless. On the Israeli side, 73 people were killed, of whom 67 were soldiers. Up to 1,600 were wounded, according to the United Nations. Photo by Abed Rahim Khatib/Flash90

A Palestinian militant from the Islamic Jihad's armed wing, the Al-Quds Brigades, stands inside a watch-tower on the border of the village of Khuzaa, east of Khan Yunis, in the southern Gaza Strip, on July 9, 2015, on the first anniversary of the 50-day war between Israel and Hamas' militants in the summer of 2014. One year ago, a war erupted between Israel and Palestinians in the Gaza Strip, the third in six years. In the course of the conflict, over 2,000 Palestinians were killed, including 551 children. More than 10,000 were wounded and 100,000 were left homeless. On the Israeli side 73 people were killed, of whom 67 were soldiers. Up to 1,600 were wounded, according to the United Nations. Photo by Abed Rahim Khatib /Flash90

A Palestinian militant from the Islamic Jihad's armed wing, the Al-Quds Brigades, stands inside a watch-tower on the border of the village of Khuzaa, east of Khan Yunis, in the southern Gaza Strip, on July 9, 2015, on the first anniversary of the 50-day war between Israel and Hamas' militants in the summer of 2014. One year ago, a war erupted between Israel and Palestinians in the Gaza Strip, the third in six years. In the course of the conflict, over 2,000 Palestinians were killed, including 551 children. More than 10,000 were wounded and 100,000 were left homeless. On the Israeli side 73 people were killed, of whom 67 were soldiers. Up to 1,600 were wounded, according to the United Nations. Photo by Abed Rahim Khatib /Flash90

A Palestinian militant from the Islamic Jihad's armed wing, the Al-Quds Brigades, stands next to a watch-tower on the border of the village of Khuzaa, east of Khan Yunis, in the southern Gaza Strip, on July 9, 2015, on the first anniversary of the 50-day war between Israel and Hamas' militants in the summer of 2014. One year ago, a war erupted between Israel and Palestinians in the Gaza Strip, the third in six years. In the course of the conflict, over 2,000 Palestinians were killed, including 551 children. More than 10,000 were wounded and 100,000 were left homeless. On the Israeli side 73 people were killed, of whom 67 were soldiers. Up to 1,600 were wounded, according to the United Nations. Photo by Abed Rahim Khatib /Flash90

A Palestinian militant from the Islamic Jihad's armed wing, the Al-Quds Brigades, stands next to a watch-tower on the border of the village of Khuzaa, east of Khan Yunis, in the southern Gaza Strip, on July 9, 2015, on the first anniversary of the 50-day war between Israel and Hamas' militants in the summer of 2014. One year ago, a war erupted between Israel and Palestinians in the Gaza Strip, the third in six years. In the course of the conflict, over 2,000 Palestinians were killed, including 551 children. More than 10,000 were wounded and 100,000 were left homeless. On the Israeli side 73 people were killed, of whom 67 were soldiers. Up to 1,600 were wounded, according to the United Nations. Photo by Abed Rahim Khatib /Flash90

A Palestinian militant from the Islamic Jihad's armed wing, the Al-Quds Brigades, stands next to a watch-tower on the border of the village of Khuzaa, east of Khan Yunis, in the southern Gaza Strip, on July 9, 2015, on the first anniversary of the 50-day war between Israel and Hamas' militants in the summer of 2014. One year ago, a war erupted between Israel and Palestinians in the Gaza Strip, the third in six years. In the course of the conflict, over 2,000 Palestinians were killed, including 551 children. More than 10,000 were wounded and 100,000 were left homeless. On the Israeli side 73 people were killed, of whom 67 were soldiers. Up to 1,600 were wounded, according to the United Nations. Photo by Abed Rahim Khatib /Flash90

A Palestinian militant from the Islamic Jihad's armed wing, the Al-Quds Brigades, stands next to a watch-tower on the border of the village of Khuzaa, east of Khan Yunis, in the southern Gaza Strip, on July 9, 2015, on the first anniversary of the 50-day war between Israel and Hamas' militants in the summer of 2014. One year ago, a war erupted between Israel and Palestinians in the Gaza Strip, the third in six years. In the course of the conflict, over 2,000 Palestinians were killed, including 551 children. More than 10,000 were wounded and 100,000 were left homeless. On the Israeli side 73 people were killed, of whom 67 were soldiers. Up to 1,600 were wounded, according to the United Nations. Photo by Abed Rahim Khatib /Flash90