2019年5月25日。
Picnic Sheet Exhibition*1 東京ミッドタウン*2。
*1:https://www.tokyo-midtown.com/jp/event/feature2019/openthepark/picnic.html
*2:https://www.tokyo-midtown.com/ See also https://sumita-m.hatenadiary.com/entry/20071119/1195473914 https://sumita-m.hatenadiary.com/entry/20071220/1198175245 https://sumita-m.hatenadiary.com/entry/20100517/1274095015 https://sumita-m.hatenadiary.com/entry/20100524/1274713865 https://sumita-m.hatenadiary.com/entry/20170920/1505876797 https://sumita-m.hatenadiary.com/entry/2020/02/05/011044 https://sumita-m.hatenadiary.com/entry/2020/02/15/084935 https://sumita-m.hatenadiary.com/entry/2020/02/16/132656 https://sumita-m.hatenadiary.com/entry/2020/02/17/130111 https://sumita-m.hatenadiary.com/entry/2020/03/21/091001 https://sumita-m.hatenadiary.com/entry/2020/06/02/144149 https://sumita-m.hatenadiary.com/entry/2020/06/28/000939 https://sumita-m.hatenadiary.com/entry/2020/10/19/001921 https://sumita-m.hatenadiary.com/entry/2020/11/14/091201 https://sumita-m.hatenadiary.com/entry/2020/12/07/111838 https://sumita-m.hatenadiary.com/entry/2021/01/21/022021