After the nadir of Covid travel restrictions, summer travel season is in full swing. Air travel is projected to exceed pre-pandemic levels, according to the Transportation Security Administration. People are dusting off their passports, or waiting weeks to get them renewed, and applying for the visas they need for their destinations. International vacations take planning, even more so now. While the world has mostly opened back up since lockdowns, most nations have strict limits on how long noncitizens can visit.
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