Robert and Françoise Monier make a hot air balloon to fly to the stratosphere. After a visit to Venus, they return home, but have only aged 15 days whereas 25 years have passed on Earth.
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Robert and Françoise Monier make a hot air balloon to fly to the stratosphere. After a visit to Venus, they return home, but have only aged 15 days whereas 25 years have passed on Earth.
