point alpha way.premium hiking trail

air alpha area band barbed barrier barriers belt berlin border cold control curtain danger ddr death defense destination east environment europe exclusion fence former geisa german germany green harz hiking history inner innergerman iron landmark landscape low memorial memory military monument monumental mountain museum nature nostalgia observe open outdoor past path point postwar premium protected remember resin rhoen road scenery security strip the thuringia tower traces tracks trail travel trees wall war way wire ww2 zone