"albatross", 1938-1948 ., a training biplane, a-71, a.zhirnov ., aero l-39, albatros, america, american, art, attack, boeing, bridge, brigantine, buildings, center, chicago, combat training, designer, dornier alpha jet, double, downtown, flight, focke-wulf, fw44j, german, girl, grass, gym, heart of philadelphia, high-rise buildings, history, illinois, juan sebastián elcano, military, monoplane, multi-purpose, people doing exercises, periods, plane, plane - biplane, prague, pre-war, pt-17, retro, sea, shadow, ship, single-engined, sky, skyscraper, soviet, soviet union, sports, stearman, stieglitz, street, sun, the field, tiger moth, training, training aircraft, united states, usa, ut-2, waves, ww2, yakovlev