✔︎ You need to be 10/15 minutes at the entrance of the cave before the visit begins.
✔︎ Returns are not accepted.
✔︎ For security reasons, backpacks and large packages are NOT allowed inside the cave.
✔︎ The online sale closes 24 hours before.
✔︎ It cannot be purchased for the same day of the visit.
✔︎ After making the purchase online, you only need to present your ID or similar at the box office to receive the ticket.