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The world is home to some truly gigantic sports venues, covering much-loved sports like football, soccer, and rugby.
To work out which stadium is king, we have collected official crowd capacity data from the venues to produce a power ranking based on their size as of March 2018.
When it comes to game day, it is fair to say these stadiums can become as heavily-populated as small cities.
Scroll down for the world's big 30.