'The cooling vent in a hot air balloon isn't used unless the pilot wants to do this rapidly'
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LET'S GO BALLOONING!: The cooling vent in a hot air balloon isnt used unless the pilot wants to do this rapidly
The cooling vent in a hot air balloon isn't used unless the pilot wants to do this rapidly
The cooling vent in a hot air balloon isn't used unless the pilot wants to do this rapidly
LET'S GO BALLOONING!
descend
LET'S GO BALLOONING!