Ib tug neeg ua 7,500 cov kauj ruam ib hnub twg, los yog 2.190 kilometers ib xyoo los yog 170,000 kilometers ib lub neej

Ib tug neeg ua 7,500 cov kauj ruam ib hnub twg, los yog 2.190 kilometers ib xyoo los yog 170,000 kilometers ib lub neej

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