Shibuya Chikagai is the underground city in Japan founded in 1957.
According to PR-model, shibuchika.jp is ranked 1,819,553rd in multilingual Wikipedia, in particular this website is ranked 157,379th in Japanese Wikipedia.
The website is placed before simongmessier.ca and after thedailyhookah.com in the BestRef global ranking of the most important sources of Wikipedia.
