https://www.techradar.com/news/the-world-cup-in-motion-the-infrastructure-behind-the-greatest-show-on-earth

Are you ready for a festival of football? From 14 June until 15 July 2018, 12 stadiums in 11 cities across Russia will host the 21st FIFA World Cup. 

The first World Cup to be held in Europe since Germany in 2006, it's estimated that Russia 2018's infrastructure budget alone is over US$100 billion.