Drawings of an Australasian cockatoo found in a 13th century manuscript in the Vatican library suggest that trade routes around Australia were thriving during medieval times, according to a study published in the journal Parergon.
원문출처 : https://www.cnn.com/2018/06/26/europe/cockatoo-drawing-trade-routes-intl/index.html
원문출처 : https://www.cnn.com/2018/06/26/europe/cockatoo-drawing-trade-routes-intl/index.html