Kawasaki underground city, Japan的area是...
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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911,859 times bigger than A4 paper .
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103,454,545 times bigger than 500 yen coin .
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40 times smaller than Monaco .
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123 times smaller than Gibraltar .
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9,949 times smaller than Kobe city in Japan .
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35,393 times smaller than Mauritius .
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999,763 times smaller than Togo .
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2,278,378 times smaller than North Korea .
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83,849,366 times smaller than India .
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772,070,180 times smaller than Russia .
