Illegal Activity
Exploring the depths of the catacombs is extremely illegal since no one has ever survived them. However, the man was a self-described "cataphile," which meant that he had a passion for discovering the truth of the catacombs. There are 2 kilometers available for tourists to look through, but anything more was too big a risk since the catacombs were also not structurally sound. The man ignored all this though...