It is also illegal for them to take part in outdoors of the country and if caught, they face a 3-year prison sentence, as nicely as a $25,000 USD fine. https://zoopi.us/%EC%97%AC%EC%84%B1-%EB%8C%80%EC%B6%9C-%EA%B2%BD%EC%A0%9C%EC%A0%81-%EC%9E%90%EB%A6%BD%EC%9D%84-%EC%9C%84%ED%95%9C-%EC%A4%91%EC%9A%94%ED%95%9C-%EC%84%A0%ED%83%9D/