The 2024 Paris Olympics created 21 firsts in the history of the Olympics:
1. For the first time, there is no main Olympic stadium.
2. For the first time, the opening ceremony is held outdoors.
3. For the first time, the opening ceremony is free of charge.
4. For the first time, the contestants enter by boat.
5. For the first time, the athletes' dormitory does not provide air conditioning.
6. For the first time, the athletes are charged for renting air conditioners.
7. For the first time, police officers are borrowed from other countries due to insufficient police force.
8. For the first time, an anti-fraud app is launched to help foreigners guard against their own people.
9. For the first time, iron is used as the main material of the gold medal.
10. For the first time, athletes are not provided with special vehicles, but only public buses.
11. For the first time, a minimalist Olympic press conference room is used, and reporters do not even have enough stools and have to sit on the ground.
12. For the first time, vegetarian food is used as the staple food of athletes.
13. For the first time, airport employees and police are going on strike when the competition is approaching.
14. For the first time, the venue has not been completed when the competition is approaching.
15. For the first time, a participating country brings its own chef team.
16. For the first time, men were allowed to participate in synchronized swimming.
17. For the first time, the Summer Olympics and Paralympics used the same emblem
18. For the first time, a "carbon budget" was established, limiting the carbon emissions of the entire event to 1.58 million tons of carbon dioxide equivalent.
19. For the first time, breakdancing was included in the Olympic Games.
20. For the first time, a new purple track was used in the main stadium
21. For the first time, the number of male and female athletes was 1:1, with a total of 10,500 athletes, 5,250 men and women.