言及状況

外部データベース (DOI)

Twitter (3 users, 6 posts, 6 favorites)

A 700 years old etiquette book was designated as a national important cultural property: https://t.co/Y1IALsPO2k… https://t.co/EfKoQyjRVM
How would you greet royals on the street? Find out the answer from 700 years ago: https://t.co/Y1IALsPO2k… https://t.co/m09DNdACQo

収集済み URL リスト