After months of preparations, the 19th Asian Games is opening this week in Hangzhou, with many new sports events making their official debut. How can traditional sports like karate attract more young people in the face of new modern sports? How are sports evolving in today’s digital age? And how popular are some new sports - like skateboarding - that will appear at the Asian Games? To find out more, earlier we spoke with Antonio Espinós, president of the World Karate Federation; and Sabatino Aracu, president of World Skate.