For more than a week now, the birch forests and heaths across Estonia have echoed with gunfire, explosions and the heavy crump of artillery.
The tiny Baltic state, sandwiched between Russia and the sea, is holding the largest war games of its independent history and one of the biggest held by Nato since the end of the cold war.
Eight Nato states, including the US, UK, Poland and Germany, are participating and have sent weaponry ranging from advanced anti-aircraft systems to A10 “Warthog” ground-attack planes and Abrams battle tanks.
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