'As Above, So Below' directors and their big challenges

Light up: Scarlett (Perdita Weeks) is obsessed with finding the philosopher's stone in As Above, So Below.

The Dowdle brothers were faced with several challenges in order to shoot their new film, As Above, So Below.

If you had to guess which movie director was recently the first to be granted access to the non-public areas of the Catacombs, six stories beneath the streets of Paris, you might say, Luc Besson, Leos Carax or another of France’s most prominent names.