StockDuty ← Dashboard Oct 05, 2026 09:41 PM ET
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Mitsui Fudosan to build data center in abandoned tunnel in Japan

Mitsui Fudosan converting abandoned tunnel into data center signals novel infrastructure investment.

What happened: Mitsui Fudosan will build a data center inside an underground tunnel in Kobe, Japan, reusing unused infrastructure and addressing challenges of building data centers above ground. Why it matters: The Kobe site is seen as favorable due to cool temperatures and resistance to natural disasters, per the report. Total: 296 characters.
Mitsui Fudosan will build a data center inside an underground tunnel in Kobe, Japan, reusing unused infrastructure and addressing challenges of building data centers above ground.
The Kobe site is seen as favorable due to cool temperatures and resistance to natural disasters, per the report. Total: 296 characters.
Sources