https://avoimenkoodinmaailma.blogspot.com/ Kimmo Huosionmaa There are many tales about giant birds, what can eat even human beings. And when we are thinking carefully about the background of those tales, we can see, that some of them might be even true. First thing, what those people might see is Condor, the giant bird from South America. Those birds can be very big, and they can also be dangerous if they are threatened. Another big bird, what might be seen is Haast's Eagle, what killed the giant birds from New Zealand. Sometimes anthropologists have thought that this giant eagle could still live in the far isolated islands at the ocean. Those eagles had the wingspan about 2,5 meters, what is less than Condor. But there is another very fascinating explain about those stories. There might be tested some early airships, and when we are talking about aircraft, we might notice, that in American Civil War Southern side planned to build steam engine aircraft. But the motor wa...