https://www.cnbc.com/2017/09/29/elon-musks-plan-for-cheap-rapid-passenger-transport.html
origin - https://www.pipiscrew.com/?p=16284 elon-musks-plan-to-transport-passengers-anywhere-on-earth-in-less-than-in-60-minutes-for-the-price-of-a-plane-ticket
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