Veronika, 4, stands near a sign that reads "Danger of Mines". Chistovodivka, Kharkiv region, Ukraine. (Photo Courtesy: UNICEF/Olena Hrom)

Destroyed buildings in Harasta, Ghouta. A suburb of Damascus, Ghouta was the site of a deadly chemical weapons attack in August 2013. (Photo Courtesy: UNICEF/Amer Almohibany )