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TOPSHOT - Shehab, a 23-year-old Syrian, practices the guitar amidst the rubble of buildings in the northern Syrian city of Aleppo on December 11, 2015. Shehab, a freelance videographer who uses YouTube to publish footage of air strikes by Syrian government forces, started learning the guitar, the only musical instrument he was able to find in war-torn Aleppo, as a hobby a year ago through the help of online tutorials and videos due to the lack of music shops and schools. Shehab believes that music holds the key to hope and is a great form of self-expression. AFP PHOTO / BARAA AL-HALABI / AFP / BARAA AL-HALABI (Photo credit should read BARAA AL-HALABI/AFP via Getty Images)

TOPSHOT - Shehab, a 23-year-old Syrian, practices the guitar amidst the rubble of buildings in the northern Syrian city of Aleppo on December 11, 2015. Shehab, a freelance videographer who uses YouTube to publish footage of air strikes by Syrian government forces, started learning the guitar, the only musical instrument he was able to find in war-torn Aleppo, as a hobby a year ago through the help of online tutorials and videos due to the lack of music shops and schools. Shehab believes that music holds the key to hope and is a great form of self-expression. AFP PHOTO / BARAA AL-HALABI / AFP / BARAA AL-HALABI        (Photo credit should read BARAA AL-HALABI/AFP via Getty Images)