Raqqa was once a thriving city in Syria; until 2014, when the jihadist group ISIS declared it as its self-proclaimed capital. In 2017, the battle for Raqqa began with Russian and Syrian bombers providing air strikes and the U.S. led Syrian Democratic Forces on the ground. The battle took many months, but eventually ISIS was driven out. The city is 80 percent destroyed and booby traps remain everywhere. Within days of liberation, CBC’s senior correspondent Adrienne Arsenault and cameraman Jean-François Bisson travelled to Raqqa to see what remains. Please note, this program contains disturbing images and subject matter. Viewer discretion is advised.