Syrians suffering from breathing difficulties are treated at a makeshift hospital in Aleppo on Tuesday. Photograph, Thaer Mohammed AFP Getty Images
![Syrians suffering from breathing difficulties are treated at a makeshift hospital in Aleppo on Tuesday. Photograph, Thaer Mohammed AFP Getty Images](https://middleeastobserver.org/wp-content/uploads/2016/09/Syrians-suffering-from-breathing-difficulties-are-treated-at-a-makeshift-hospital-in-Aleppo-on-Tuesday.-Photograph-Thaer-Mohammed-AFP-Getty-Images.jpg)
Syrians suffering from breathing difficulties are treated at a makeshift hospital in Aleppo on Tuesday. Photograph, Thaer Mohammed /AFP/ Getty Images