Extreme Engineering — Season 9, episode 4 watch online
Extreme Engineering, season 9 episode 4 «London's Olympic Aquatic Stadium»: air date April 29, 2011. Episode overview, season trailer and the cast of Extreme Engineering.
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Episodes — Season 9
- 1 Episode 1 «Rebuilding New York City's Subway» April 8, 2011
- 2 Episode 2 «Drought-Proofing Australia» April 15, 2011
- 3 Episode 3 «Azerbaijan's Amazing Transformation» April 22, 2011
- 4 Episode 4 «London's Olympic Aquatic Stadium» April 29, 2011
- 5 Episode 5 «Constructing Serbia's Largest Bridge» June 18, 2011
- 6 Episode 6 «Amsterdam's Futuristic Floating City» June 25, 2011
- 7 Episode 7 «Building Mumbai's Modern Airport» July 2, 2011
- 8 Episode 8 «Turkey's Mammoth Hydropower Dam» July 9, 2011