Celebrating Tintin, 'the boy detective' (PS - He's 90 years old)

He's arguably one of the world's most famous Belgians, even if he only exists on the printed page. Tintin, the creation of cartoonist Hergé, is beloved by children and adults the world over. An exhibition now opening in Madrid explores the history of the boy detective.

Tintin's iconic moon rocket on the streets of Madrid Source: AP / AP