2020年６月３日。
習志野市中央公園*1。習志野市本大久保３丁目。
*1:See also https://sumita-m.hatenadiary.com/entry/2019/07/30/081016 https://sumita-m.hatenadiary.com/entry/2019/12/02/001041 https://sumita-m.hatenadiary.com/entry/2020/01/04/235902 https://sumita-m.hatenadiary.com/entry/2020/01/22/082357 https://sumita-m.hatenadiary.com/entry/2020/02/01/082715 https://sumita-m.hatenadiary.com/entry/2020/02/13/210049 https://sumita-m.hatenadiary.com/entry/2020/02/14/221555 https://sumita-m.hatenadiary.com/entry/2020/03/07/101748 https://sumita-m.hatenadiary.com/entry/2020/03/18/100607 https://sumita-m.hatenadiary.com/entry/2020/03/24/104404 https://sumita-m.hatenadiary.com/entry/2020/04/10/220658 https://sumita-m.hatenadiary.com/entry/2020/05/15/143825 https://sumita-m.hatenadiary.com/entry/2020/05/29/144733 https://sumita-m.hatenadiary.com/entry/2020/06/29/105243 https://sumita-m.hatenadiary.com/entry/2020/07/28/125608 https://sumita-m.hatenadiary.com/entry/2020/08/10/013639 https://sumita-m.hatenadiary.com/entry/2020/09/02/215451 https://sumita-m.hatenadiary.com/entry/2020/10/18/005053 https://sumita-m.hatenadiary.com/entry/2020/12/15/101205
