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 Japanese prime minister's official residence (0.98 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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721,154 times bigger than A4 paper .
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3,688,525 times bigger than 10,000 yen bill .
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81,818,182 times bigger than 500 yen coin .
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90,000,000 times bigger than Japanese stamp .
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27 times smaller than Tokyo imperial palace .
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69 times smaller than Monaco .
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898 times smaller than Koto ward, Tokyo .
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5,273 times smaller than Cook Islands .
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30,258 times smaller than Toyama city in Japan .
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472,345 times smaller than El Salvador .
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9,224,400 times smaller than Paraguay .
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94,554,489 times smaller than India .
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768,598,133 times smaller than Russia .
