Lebanese activists hold up a makeshift shield as they are sprayed by riot police using water cannons during a protest against the ongoing trash crisis, in downtown Beirut, Lebanon, Sunday, Aug. 23, 2015. Lebanese riot police fired several rounds of tear gas and water cannons for the second consecutive day in downtown Beirut as they battled protesters with batons and stones _ a marked escalation of mass demonstrations against an ongoing trash crisis. (AP Photo/Hassan Ammar, File)
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