AP
In this Jan. 19, 2018 photo, Adeeb Ayoub, 13, who had left Syriai with his uncle in 2015 to Germany, runs next to homemade cannon, in Aleppo, Syria. A small but growing number of refugees are returning to Syria, including some who made a dangerous sea journey to Europe to flee the war. Unable to stand the cold weather, language barrier, unemployment and depression, they have chosen to return to their war-torn country rather than stay in Europe. (AP Photo/Hassan Ammar)
- Hassan Ammar
This Jan. 20, 2018 photo, shows the destruction of the Salaheddin neighborhood in eastern Aleppo, Syria. A small but growing number of refugees are returning to Syria, including some who made a dangerous sea journey to Europe to flee the war. Unable to stand the cold weather, language barrier, unemployment and depression, they have chosen to return to their war-torn country rather than stay in Europe. (AP Photo/Hassan Ammar)
- Hassan Ammar
In this Jan. 19, 2018 photo, Ammar Maarawi, who fled Syria to Europe in early 2016, poses for a picture outside his shop in Aleppo, Syria. A small but growing number of refugees are returning to Syria, including some who made a dangerous sea journey to Europe to flee the war. Unable to stand the cold weather, language barrier, unemployment and depression, they have chosen to return to their war-torn country rather than stay in Europe. (AP Photo/Hassan Ammar)
- Hassan Ammar
In this Jan. 19, 2018 photo, Adeeb Ayoub, 13, who left with his uncle in 2015 to Germany, helps his father in their shop in Aleppo, Syria. A small but growing number of refugees are returning to Syria, including some who made a dangerous sea journey to Europe to flee the war. Unable to stand the cold weather, language barrier, unemployment and depression, they have chosen to return to their war-torn country rather than stay in Europe. (AP Photo/Hassan Ammar)
- Hassan Ammar
In this Jan. 19, 2018 photo, Ammar Maarawi, who fled Syria to Europe in early 2016, speaks to The Associated Press, at his shop in Aleppo, Syria. A small but growing number of refugees are returning to Syria, including some who made a dangerous sea journey to Europe to flee the war. Unable to stand the cold weather, language barrier, unemployment and depression, they have chosen to return to their war-torn country rather than stay in Europe. (AP Photo/Hassan Ammar)
- Hassan Ammar
In this Jan. 19, 2018 photo, Syrian children cross a street in front a banner showing Syrian President Bashar Assad, in Aleppo, Syria. A small but growing number of refugees are returning to Syria, including some who made a dangerous sea journey to Europe to flee the war. Unable to stand the cold weather, language barrier, unemployment and depression, they have chosen to return to their war-torn country rather than stay in Europe. (AP Photo/Hassan Ammar)
- Hassan Ammar
In this Jan. 19, 2018 photo, Adeeb Ayoub, 13, right, who had left with his uncle in 2015 to Germany, plays with his brother Kinan, in Aleppo, Syria. A small but growing number of refugees are returning to Syria, including some who made a dangerous sea journey to Europe to flee the war. Unable to stand the cold weather, language barrier, unemployment and depression, they have chosen to return to their war-torn country rather than stay in Europe. (AP Photo/Hassan Ammar)
- Hassan Ammar
In this Jan. 19, 2018 photo, Adeeb Ayoub, 13, center, who had fled Syria with his uncle in 2015 to Germany, walks with his father Firas on their way to Friday prayers, in Aleppo, Syria. A small but growing number of refugees are returning to Syria, including some who made a dangerous sea journey to Europe to flee the war. Unable to stand the cold weather, language barrier, unemployment and depression, they have chosen to return to their war-torn country rather than stay in Europe. (AP Photo/Hassan Ammar)
- Hassan Ammar
In this Jan. 19, 2018 photo, Adeeb Ayoub, 13, left, who had fled Syria with his uncle in 2015 to Germany, prays during Friday prayers with his father Firas, center right and his brother Kinan, in Aleppo, Syria. A small but growing number of refugees are returning to Syria, including some who made a dangerous sea journey to Europe to flee the war. Unable to stand the cold weather, language barrier, unemployment and depression, they have chosen to return to their war-torn country rather than stay in Europe. (AP Photo/Hassan Ammar)
- Hassan Ammar
This undated family photo shows Adeeb Ayoub, 13, who fled Syria with his uncle in 2015, inside a room at a refugee camp in Germany. A small but growing number of refugees are returning to Syria, including some who made a dangerous sea journey to Europe to flee the war. Unable to stand the cold weather, language barrier, unemployment and depression, they have chosen to return to their war-torn country rather than stay in Europe. (Ayoub Family photo via AP)
- HONS
This undated family photo shows Adeeb Ayoub, 13, center, who had fled Syria with his uncle in 2015 to Germany, posing for a picture with other refugees children and their German teachers at a school for refugees in Germany. A small but growing number of refugees are returning to Syria, including some who made a dangerous sea journey to Europe to flee the war. Unable to stand the cold weather, language barrier, unemployment and depression, they have chosen to return to their war-torn country rather than stay in Europe. (Ayoub Family photo via AP)
- HONS
In this Jan. 19, 2018 photo, Adeeb Ayoub, 13, second left, who had left with his uncle in 2015 to Germany, plays with his siblings at their parent's house in Aleppo, Syria. A small but growing number of refugees are returning to Syria, including some who made a dangerous sea journey to Europe to flee the war. Unable to stand the cold weather, language barrier, unemployment and depression, they have chosen to return to their war-torn country rather than stay in Europe. (AP Photo/Hassan Ammar)
- Hassan Ammar
In this Jan. 18, 2018 photo, the sun rises over the city of Aleppo, Syria. A small but growing number of refugees are returning to Syria, including some who made a dangerous sea journey to Europe to flee the war. Unable to stand the cold weather, language barrier, unemployment and depression, they have chosen to return to their war-torn country rather than stay in Europe. (AP Photo/Hassan Ammar)
- Hassan Ammar