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.

It is about embracing rich textures, earthly tones ... and-stick stone tiles for splash back or stone-like planters, to create an illusion of castle walls without leaning into tacky territory.

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 ...