With Israel blocking imports of building materials, those rebuilding in Gaza are recycling ruins to make new homes With Israel blocking imports of building materials, those rebuilding in Gaza are recycling ruins to make new homes I t is difficult to see through the dust inside the cramped, low-roofed tent on the eastern edge of Khan Younis. Ibrahim al-Aloul works alongside four others, with a piece of fabric tied over his mouth and nose as his only shield against the toxic grey powder as he