Deep underground
id:
deep-underground-316-14258595
title:
Deep underground
text:
Deep underground is a Japanese concept for the public use of deep underground, enabled by a 2001 law. It was first thought of in the late 1980s as Japan faced ever-increasing land values in the economic bubble, to allow the use of heretofore-unused deep underground for necessary water and utility ducts and other city tunnels. However, due to technical difficulties in ventilation, emergency procedures and other safety-related issues and the relatively high cost, no projects using deep underground
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Deep_underground
date created:
date modified:
2023-04-06T07:06:20Z
main entity:
{"identifier":"Q5250451","url":"https://www.wikidata.org/entity/Q5250451"}
image:
fields total:
13
integrity:
13