The stone wall, which is 1.8 meters tall and 7 meters wide and runs east to west, is believed to have been a boundary that divided the central part of the castle and warriors’ residences.

A 400-year-old stone wall once part of Edo Castle, discovered only last year at what is now the Imperial Palace in Tokyo, is likely the castle’s oldest existing remnant ever unearthed ...

Suspected human remains have been discovered following the collapse of an ancient stone wall at ... The fallen wall once marked the perimeter of Dunraven Castle, which saw demolition in 1963.