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British heavy four-engine bomber takes off in an old photo
Avro Lancaster four - engine heavy bomber
Drawing of the German B-17 heavy fighter-bomber
A heavy, four-engine bomber is flying in the sky
A heavy four-engine bomber is flying in the sky
Heavy four - engine Avro Lancaster bomber
Heavy four - engine Lancaster bomber
A big heavy fighter jet is flying in the blue sky
Heavy Bomber Flying Fortress
American heavy four - engine bomber
Drawing of a British heavy four-engine bomber
Soviet Mi-6 heavy helicopter
British heavy four-engine bomber takes off in an old photoBritish heavy four-engine bomber takes off in an old photo
