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Towa Pharmaceutical Ractab Dome

Kadoma, Japan

Towa Pharmaceutical Ractab Dome (RACTAB, Tōwa Yakuhin Ractab Dōmu) is an indoor sporting arena located in Kadoma city in the Osaka Prefecture of Japan. Construction was completed in early 1996. The primary architect was Mamoru Kawaguchi, founder of the firm Kawaguchi & Engineers. The dome is composed largely of reinforced concrete and aluminum frames and covers an area of approximately 25,000 m2. Inside is a main competition arena plus a separate swimming pool, training room, multipurpose hall, conference rooms and Restaurant Namihaya. The main arena has 6,000 fixed seats with a possible capacity for 10,000 people. There is a large screen display and a large electrical score screen.

Arena data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

Other arenas in Japan