The wounds of Gaza’s children speak their own language. The flayed, burnt skin of the incendiary airstrike. The deep cuts of artillery shrapnel. Some wounds Dr Nabil Hadad has never seen before. One eight-year-old boy was laid out in front of him without a scratch, an apparent victim of shock waves from massive airstrikes. “It was as if he was asleep,” the paediatric surgeon said. “Except he was dead.”