The area of Namba underground city, Osaka is ...
The area of 1 Namba underground city, Osaka is 45,000 square meters. That is ...
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almost the same as Odori underground city, Japan (0.94 to be exact).
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2 times bigger than Red square (1.96 to be exact).
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36 times bigger than competition pool .
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107 times bigger than basketball court .
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1,216 times bigger than boxing ring .
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10,769 times bigger than table tennis table .
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45,002 times bigger than A0 paper .
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721,154 times bigger than A4 paper .
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81,818,182 times bigger than 500 yen coin .
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562,500,000 times bigger than little fingernail .
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44 times smaller than Monaco .
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601 times smaller than Tuvalu .
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3,111 times smaller than Isesaki city in Japan .
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83,496 times smaller than Nara in Japan .
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141,606 times smaller than Gunma in Japan .
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1,234,229 times smaller than Bosnia-Herzegovina .
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54,006,688 times smaller than Algeria .
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349,275,086 times smaller than Canada .
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1,681,009,821 times smaller than Russia .
