OTSU--A 30-meter-long stone wall and a moat were unearthed ... He is believed to have led the coup against Nobunaga, who was on the verge of unifying Japan. The castle was often dubbed ...

KYOTO--A stone wall unearthed at the ruins ... The advanced countermeasures against earthquakes are believed to have influenced castle-building methods in later years, according to an Oct. 13 ...