The United States is returning what will be the third recovered copy of a letter by Christopher Columbus that had been stolen from European institutions.
원문출처 : https://www.cnn.com/2018/06/14/europe/christopher-columbus-stolen-letter-vatican/index.html
원문출처 : https://www.cnn.com/2018/06/14/europe/christopher-columbus-stolen-letter-vatican/index.html