UK,
2020, 5 h 35 min
(Length: 41–42 min)
Episodes(8)
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Dubai's Impossible Island (S07E01)
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World's Toughest Tunnels (S07E02)
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F-35 Fighter Jet (S07E03)
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NYC Mega Tower (S07E04)
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World's Biggest Airport (S07E05)
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Spy Plane Declassified (S07E06)
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World's Highest Bridge (S07E07)
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Conquering Avalanche Country (S07E08)
Gallery (108)
World's Biggest Airport (S07E05)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - World's Biggest Airport - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/954/168954372_oaclsd.jpg)
World's Biggest Airport (S07E05)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - World's Biggest Airport - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/954/168954378_t8jay2.jpg)
Spy Plane Declassified (S07E06)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - Spy Plane Declassified - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/829/168829799_d7e93n.jpg)
Spy Plane Declassified (S07E06)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - Spy Plane Declassified - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/829/168829800_kvrp2r.jpg)
Spy Plane Declassified (S07E06)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - Spy Plane Declassified - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/829/168829801_q1st2w.jpg)
Spy Plane Declassified (S07E06)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - Spy Plane Declassified - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/829/168829802_clo427.jpg)
Spy Plane Declassified (S07E06)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - Spy Plane Declassified - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/829/168829803_36u3wu.jpg)
Spy Plane Declassified (S07E06)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - Spy Plane Declassified - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/829/168829804_3h00n8.jpg)
Spy Plane Declassified (S07E06)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - Spy Plane Declassified - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/829/168829806_7hqj1f.jpg)
Spy Plane Declassified (S07E06)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - Spy Plane Declassified - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/829/168829807_di0psy.jpg)