The US Postal Service has temporarily removed some mailboxes in several major cities across the country, a security measure ahead of next week's inauguration of President-elect Joe Biden.
원문출처 : https://www.cnn.com/2021/01/16/us/us-postal-service-inauguration-security-mailboxes/index.html
원문출처 : https://www.cnn.com/2021/01/16/us/us-postal-service-inauguration-security-mailboxes/index.html