A network of secret tunnels drawn by Leonardo da Vinci in 1495 has now been discovered beneath an Italian castle.
A centuries-old sketch by Leonardo da Vinci has led archaeologists to a hidden labyrinth of tunnels beneath Sforza Castle in ...
Under the Sforza castle in Milan, long forgotten underground passages have been revealed thanks to modern technology. These structures, described in Leonardo da Vinci's sketches, shed light on a ...