This footage of a plane taking off vertically is recommended viewing for anyone not about to go on holiday.
The 787 Dreamliner was filmed rehearsing for the next week's Paris Air Show - but according to aviation experts the take-off isn't quite as impressive as it seems. "Some of what you're seeing on takeoff is a trick of perspective," pilot Patrick Smith told CNN. "It looks like the takeoff is at a near vertical 90 degree angle — trust me it's not."
The jaw-dropping stunt is at 38 seconds in the video below: