Búsqueda Del Tesoro [Treasure Hunt] [Outdoor]

The English pirate Blackbeard, at the end of the 19th century, found himself surrounded in the city of Madrid. The cunning corsair had to give up his most precious treasure. But, so that it would not fall into the wrong hands, he decided to hide it somewhere in the Parque del Buen Retiro. No one has been able to find his stash to this day. Will you be able? You have 90 minutes to do it