Endless (2013)

André Vieira, an adventurous boy and without fear of falling between rocks, ventures outside a campsite in Porto Moniz, Portugal. There, he remains with hope of finding something interesting until he finds a he finds a tunnel associated with a local legend that says it has no end and whoever enters gets completely lost. André in turn does not believe the legend and wants to prove that all this is a farce until he withdraws what he had said .