Operación Reliquia [Operation Relic] [Outdoor]

Permanently Closed - An ancient and invaluable relic has disappeared from the Chapel of the Royal Palace in Madrid. It is one of the nails of Christ. According to the information available to Central Intelligence, the loot could be hidden somewhere in the town. A series of enigmas, puzzles and riddles must be solved to find their whereabouts and catch the culprits. Since you are one of the people with the greatest reputation for solving puzzles, the Police ask for your help and you cannot refuse...