powder magazine no. 13 of the vladivostok fortress on russian island

tree green pasture grass meadow plant farm garden woodland lawn hill forest flower ruins building agriculture plantation jungle 13 abandoned army betonites cape casemated cellar coastal concrete crew defense far east federation fort fortification fortress history impregnable island krai landmark military powder powerful primorsky projectile protection protective rammed rocky russia russian security shelter storage summer tourism travel tunnel uninhabited vladivostok wall