Military vehicles are seen during the military exercise Puma 19 in Slunj, Croatia, on July 3, 2019. (Photo:Xinhua)
Croatian soldiers participate in the military exercise Puma 19 in Slunj, Croatia, on July 3, 2019. (Photo:Xinhua)
Military vehicles are seen during the military exercise Puma 19 in Slunj, Croatia, on July 3, 2019. (Photo:Xinhua)
Croatian soldiers participate in the military exercise Puma 19 in Slunj, Croatia, on July 3, 2019. (Photo:Xinhua)