The hardening of NATO's northern frontier

Along the border of Finland and Russia, tensions reminiscent of the Cold War have resurfaced. We visit the forested 832-mile frontier, Europe’s longest with Russia. Sign up for the Reuters Econ World newsletter ⁠here⁠. Listen to the Reuters Econ World podcast ⁠here⁠. Find the Recommended Read ⁠here⁠. Visit the Thomson Reuters Privacy Statement for information on our privacy and data protection practices. You may also visit megaphone.fm/adchoices to opt out of targeted advertising. Learn more about your ad choices. Visit megaphone.fm/adchoices