61m tonnes of rubble: Gaza aid workers face delicate task of clearing ruins concealing up to 10,000 bodies

<p>Removal of war debris, in which lives, memories and unexploded Israeli bombs lie buried, is one of largest clearance operations in modern history</p><p>It took all day to clear a section of road in the Tel al-Hawa neighbourhood in Gaza City. At the end of it, Ahmed Alyan, a UN e