Lusail Stadium, which is the main stadium of the 2022 World Cup, had its design unveiled in Qatar by the 2022 Supreme Committee for the Delivery & Legacy for the FIFA World Cup Event on December 15, 2018. The whole building is covered with gold; it has 80,000 seats and a refrigeration system to keep the temperature at 26 degrees Celsius. The Lusail Stadium will be used to host the opening and final games in 2022. (Photos:VCG)