2020年９月６日。
東京都庭園美術館*1。港区白金台５丁目*2。
*1:https://www.teien-art-museum.ne.jp/ https://twitter.com/teienartmuseum See eg. https://ja.wikipedia.org/wiki/%E6%9D%B1%E4%BA%AC%E9%83%BD%E5%BA%AD%E5%9C%92%E7%BE%8E%E8%A1%93%E9%A4%A8 See also https://sumita-m.hatenadiary.com/entry/20170608/1496894611
*2:See also https://sumita-m.hatenadiary.com/entry/2020/09/08/103629