Ключевые слова: 37 mm, air, antiaircraft, art installation, artillery, azp39, battery, cannon, city defense, cloudy, cold, decommissioned, defense, early, early spring, echo of war, excursion, exhibit, force, historical heritage, history, landscape, machine gun, march, memory, metal, museum, nature, on wheels, open sky, patriot park, rate of fire, rises, rotates, russia, sea, season, ship, singlebarrel, spring, targets, thaw, travel, walk, war, weapons, wet,