clodio/iStock Editorial / Getty Images Plus The present form of Sforza ... The buried passageways were found within the castle's outer wall. Geophysical surveys are undertaken at Milan's Sforza ...

OTSU--A 30-meter-long stone wall and a moat were unearthed at the site of the castle belonging to the 16th-century samurai general who betrayed feudal warlord Oda Nobunaga (1534-1582). The city ...