Teren, a member of the Carpathian Sich battalion, walks through a destroyed building, at the frontline in Kharkiv region, Ukraine, July 1, 2022. At the sharp end of efforts to stop the Russian army’s progress in eastern Ukraine are the Carpathian Sich battalion, a unit of Ukrainians and foreign nationals who answered Kyiv’s call for help to confront the invader. REUTERS/Marko Djurica