Abdel Hamid al-Youssef, an internally displaced man who says his wife and infant twins were killed when poison gas was dropped on their home town of Khan Sheikhoun in 2017, plays with his daughter, Aya, at their home in the rebel-held town of Sarmada in Idlib province, Syria April 1, 2022. Picture taken April 1, 2022. REUTERS/Khalil Ashawi
