This photo provided by the Syrian Civil Defense White Helmets, which has been authenticated based on its contents and other AP reporting, shows Syrian White Helmet civil defense workers search for victims from under the rubble of a destroyed building that hit by Syrian government and Russian airstrikes, in the northern town of Maaret al-Numan, in Idlib province, Syria, Monday, July 22, 2019. Syrian opposition activists say an airstrike on a busy market in a rebel-held town in northwestern Syria has killed at least 16 people. (Syrian Civil Defense White Helmets via AP)