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The day the plane was invented – level 1
17-12-1903People want to fly. People use balloons with hot air at...
The day the plane was invented – level 2
17-12-1903People always wanted to fly. In the 18th century, it was...
The day the plane was invented – level 3
17-12-1903Since the beginning of our civilization, people have had a dream:...
