![Big, Bigger, Biggest Season 2 Episode 9 Big, Bigger, Biggest Season 2 Episode 9](https://pics.soap2day.day/t/p/w185/oyUaz2LRHdQyLtPbJPVDubr2CLW.jpg)
Big, Bigger, Biggest Season 2 Episode 9 123movies
Uncover the technological leaps forward that allowed the world’s largest spanning dome – the Oita Stadium in Japan – to be built. The Oita’s colossal roof spans a mighty 274 metres. A steel, Teflon and titanium structure over 270 metres across and 60 metres high, the Oita Stadium roof covers a sports stadium big enough to seat 43 thousand spectators. At the flick of a switch its seats retract to reveal a running track and its roof opens and closes like a giant eye. Count down the technological leaps in six landmark domes including Rome’s Pantheon and Florence’s Cathedral, that allowed this, the world’s largest spanning dome, to be built.
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![Big, Bigger, Biggest Season 2 Episode 9](https://pics.soap2day.day/t/p/w300/38sAI7yTgVkqJPPbxmfU7vFi6oO.jpg)