The United States is flinging its doors wide open to vaccinated international travelers on Monday, welcoming many visitors who've been shut out of the country for 20 months.
원문출처 : https://www.cnn.com/travel/article/us-reopening-international-travelers/index.html
원문출처 : https://www.cnn.com/travel/article/us-reopening-international-travelers/index.html