Meet the world's best card-stacker

The incredibly intricate and delicate creations are the handiwork of Brian Berg, who claims to be the world's best card-stacker and has built a number of breath-taking card constructions.
Iowa-based Berg cut his first deck of cards aged only eight, and now he holds the world record having built a 26ft tall stack in Dallas, Texas, for which he used an amazing 1,060 decks
The 37-year-old has duplicated the New York skyline, Cinderella's Castle and many other of the world's most recognisable landmarks.

'Cards are my form of architecture,' he said. 'Most of the time my structures do not collapse.
'Because of the structural geometry and all the weight of the cards, they are very strong and stableMr Berg has perfected his art for almost 30 years, and having trained as a professional architect at Harvard, he has broken his own Guinness card-stacking records a dozen times over his career