Inside a Lego factory, where Christmas wishes come true

Tacchi showing a few designs at the Lego campus in Billund. Photos: Jonathan Nackstrand/AFP

As a boy, Samuel Tacchi was crazy about Lego cranes. Now he designs them, under cloak-and-dagger secrecy, at the Danish group's headquarters where Santa has filled his sacks for decades.

At its ultra-modern flagship building in Billund, Denmark, a visit to the offices where the design work is done is out of the question – the company is fiercely protective of its trade secrets.