Abdelrahman Abu Anza's family home in war-ravaged Gaza's south has been reduced to rubble, which the Palestinian man is now using to build a shelter to protect from the winter cold.

Israeli bombardment in more than 13 months of war has left "more than 70% of civilian housing ... either damaged or destroyed," according to the United Nations' humanitarian agency OCHA.

With many residents of the Gaza Strip displaced by the war, often seeking shelter in tent camps, the approaching winter is a major cause for concern.