If you're claustrophobic, then travelling on any kind of vehicle for transportation is probably pretty rough. Especially an airplane, where you're sitting right next to a lot of people, in a relatively small space (depending on how you fly, of course). So maybe a giant tube system wouldn't be to your liking. But, if you've got to get somewhere, even somewhere around the world, in a hurry, the ET3 system could be just what the world has been waiting for.
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