Nearby the city of Ingá, in Sierra Borborema, on the banks of the river Inga (the ancient river Bacamarte) abides a historical wonder.
46 meters of long, 3,8 meter of height, unknown writing...
The full area is covered with unusual looking rocks and boulders. The could be remains of gigantic megaliths, after all the great wall of Paraibe is not so far away... and the rocks resemble polygonal structures at many places... and huge cup marks (destruction marks)... as if the full things was destroyed by a hellish "shower" of something ... (see video)
The technique used to make the inscriptions is also mysterious, could be connected to stone softening...