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TOPSHOT - Members of the civil defence pull a boy out from under the rubble of a building following air strikes by suspected Russian warplanes backing the Syrian government on the Sakhour neighbourhood of the northern Syrian city of Aleppo on February 16, 2016. / AFP / THAER MOHAMMED (Photo credit should read THAER MOHAMMED/AFP/Getty Images)

TOPSHOT - Members of the civil defence pull a boy out from under the rubble of a building following air strikes by suspected Russian warplanes backing the Syrian government on the Sakhour neighbourhood of the northern Syrian city of Aleppo on February 16, 2016. 
 / AFP / THAER MOHAMMED        (Photo credit should read THAER MOHAMMED/AFP/Getty Images)