2020年５月１日。
習志野市本大久保５丁目*1。
本大久保４丁目*2。
*1:See also https://sumita-m.hatenadiary.com/entry/2020/02/20/212628 https://sumita-m.hatenadiary.com/entry/2020/04/06/014410 https://sumita-m.hatenadiary.com/entry/2020/07/25/080501 https://sumita-m.hatenadiary.com/entry/2020/08/11/095935 https://sumita-m.hatenadiary.com/entry/2020/10/01/092639 https://sumita-m.hatenadiary.com/entry/2020/12/19/170924
*2:See also https://sumita-m.hatenadiary.com/entry/2020/04/06/014410 https://sumita-m.hatenadiary.com/entry/2020/05/25/082501 https://sumita-m.hatenadiary.com/entry/2020/08/03/103144 https://sumita-m.hatenadiary.com/entry/2020/10/01/092639 https://sumita-m.hatenadiary.com/entry/2020/11/28/143913 https://sumita-m.hatenadiary.com/entry/2020/12/12/210119 https://sumita-m.hatenadiary.com/entry/2020/12/21/094527 https://sumita-m.hatenadiary.com/entry/2020/12/28/080130 https://sumita-m.hatenadiary.com/entry/2020/12/29/112402
