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- 정은경 출처: https://time.com/collection/100-most-influential-people-2020/5888333/jung-eun-kyeong/ Ahn Young-joon—APBY JAE-INSEPTEMBER 22, 2020 9:34 PM EDTSouth Korea’s response to the COVID-19 pandemic has become a global example
- <희귀 광물> 형석으로 치환된 나무 화석 - 독일 켐니츠 This specimen was said to be an excellent, unusually complete and well-replaced example, and comes from the important pseudomorph collection of Dr Wouter van Tichelen, Antwerp.