Boeing Sees Record Orders for Its Slick Folding-Wing Airliner | WIRED
Boeing 777 folding wings video
Boeing 777X folding wings: New planes in development | escape.com.au
Boeing's new 777X extends its folding wingtips to complete first flight - CNET
Boeing: VIDEO: 777X Folding Wingtip
The BOEING 777x FOLDING WINGTIP Explained - YouTube
Why did Boeing choose foldable wingtips for 777X, even though that doesn't gain much more lift, yet significantly complicating the design and build? - Quora