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Reuters
Factbox-Motor racing-105th running of the Indianapolis 500
* The Indy 500 is set to be the most-attended sporting event since the start of the COVID-19 pandemic with 135,000 spectators – approximately 40% capacity – present inside the IMS. * Under normal circumstances, the 559-acre IMS, which is large enough to hold Vatican City, Yankee Stadium, Churchill Downs, the Roman Colosseum and Rose Bowl, can accommodate around 400,000 people, including workers.