BERLIN — Loud screams, masked soldiers and bursts of gunfire echo through a Berlin U-Bahn station just after midnight.The air smells of gunpowder, and a thick haze hangs over the platform. Through theBERLIN — Loud screams, masked soldiers and bursts of gunfire echo through a Berlin U-Bahn station just after midnight.The air smells of gunpowder, and a thick haze hangs over the platform. Through the
Berlin’s underground becomes war zone in high-intensity military drill
