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With the liberation of ISIS’s de facto capitol city in Raqqa, Syria, U.S.-backed forces are uncovering some of the terror group’s weapons caches and evidence of their long and brutal control of the city. Here’s a look at some of what ISIS left behind in Raqqa and in other strongholds in Iraq and Syria over the past year. Pictured, an ISIS-built suicide car bomb on a roadside in Raqqa on October 18. (Photo: Erik De Castro/Reuters)

SLIDESHOW: Battle for Raqqa