Put in the missing words.
Use: height, absolutely, discovered, a trip,

From the earliest times, people have wanted to fly, As long ago as the eighteens century, people have experimented with travelling in balloons. In 1783, a group of inventors had succes flying a balloon. Since then, scientist have discovered a lot about aeronautics and broken many records in ballooning,
By 1961, men were able to send a manned balloon to a height of 35 kilometres. Then in 1999, a balloon мейд a trip around the world for the first time. It took 19 days.
Balloonist say that the birds eye view feels exciting and flying in a balloon is very comfortable because it moves with the mind. Passengers feel absolutely free.