The area of Kawasaki underground city, Japan is ...
The area of 1 Kawasaki underground city, Japan is 56,900 square meters. That is ...
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almost the same as Gunkanjima, Japan (0.9 to be exact).
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8 times bigger than soccer field (7.97 to be exact).
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46 times bigger than competition pool .
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135 times bigger than basketball court .
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1,538 times bigger than boxing ring .
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13,617 times bigger than table tennis table .
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56,903 times bigger than A0 paper .
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911,859 times bigger than A4 paper .
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103,454,545 times bigger than 500 yen coin .
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711,250,000 times bigger than little fingernail .
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19 times smaller than The Museum Meiji-Mura in Japan .
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61 times smaller than Monaco .
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683 times smaller than Toyonaka city in Japan .
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8,913 times smaller than Yakushima Island of Japan .
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10,098 times smaller than Matsue city in Japan .
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923,271 times smaller than Bosnia-Herzegovina .
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4,264,670 times smaller than Uganda .
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52,895,547 times smaller than Argentina .
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979,076,279 times smaller than Russia .
