Jisho

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Noun
1. underground shopping center; underground shopping centre
Wikipedia definition
2. Underground cityAn underground city is a series of linked subterranean spaces that may provide a defensive refuge; a place for living, working or shopping; a transit system; mausolea; wine or storage cellars; cisterns or drainage channels; or several of these. The term may also refer to a network of tunnels that connects buildings beneath street level. These tunnels may house office blocks, shopping malls, metro stations, theatres, and other attractions.
Read “Underground city” on English Wikipedia
Read “地下街” on Japanese Wikipedia
Read “Underground city” on DBpedia

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