1) Berlin, Germany
2) Paris, France
3) Kazan, Russia
4) Moscow, Russia
Explanation:
The 45th Edition of the World Skills International Competition for the year 2019, a biennial event, was held at Kazan Expo International Exhibition Centre, Kazan, Russia from August 22- 27, 2019. It was inaugurated by the Russian Prime Minister Dmitry Medvedev. This global-level skills competition was held for the first time in Russia. It was a grand event in the arena of vocational skills.