Christopher Columbus may have sailed the ocean blue in 1492, but some tiny blue beads beat him to it, reaching North America a few decades sooner, to become possibly the earliest European-made objects on the continent.
원문출처 : https://www.cnn.com/style/article/blue-beads-alaska-history-scli-intl-scn/index.html
원문출처 : https://www.cnn.com/style/article/blue-beads-alaska-history-scli-intl-scn/index.html