The goal? To build a 20 foot (6 meter) and 213 ft (65 m) long dry-stone wall as part of a park where the landscape was digitally planned, and the earth autonomously excavated. The coolest thing ...
Experts say the finding sheds light on the details of how castle-building methods developed during the rule of Hideyoshi (1537-1598), who unified war-torn Japan. The stone wall, which is 1.8 ...