More power to teens

Zachary Levi promotes Shazam!, a less well-known superhero story, in China, Xu Fan reports.

American actor Zachary Levi, now 38, was handling two challenges last year - figuring out how to "become a 14-year-old" and "being a superhero".

They are Levi's main acting jobs in the upcoming film Shazam!, adapted from the story of the DC Comics superhero in the United States, popular since the 1940s.