Samurai Castles The Kumamoto Castle from the 17th century was heavily damaged by a series of powerfuSamurai Castles The Kumamoto Castle from the 17th century was heavily damaged by a series of powerful earthquakes, but the oldest sections of stonewalls miraculously survived and avoided major damage, while newer walls all collapsed. A 3D model created from 4K drone shots unveils the wisdom of samurai warriors.详情