2019年4月2日。
「かもめ公園」*1。習志野市藤崎6丁目*2。
藤崎7丁目*3。
*1:See eg. http://www.etown-okubo.net/map/map_park_kamome.html
*2:See also https://sumita-m.hatenadiary.com/entry/2019/10/08/112455 https://sumita-m.hatenadiary.com/entry/2019/10/28/100855 https://sumita-m.hatenadiary.com/entry/2019/11/08/085050 https://sumita-m.hatenadiary.com/entry/2019/11/15/030331 https://sumita-m.hatenadiary.com/entry/2019/12/03/005744 https://sumita-m.hatenadiary.com/entry/2020/01/01/123253 https://sumita-m.hatenadiary.com/entry/2020/01/10/160055 https://sumita-m.hatenadiary.com/entry/2020/01/14/094848 https://sumita-m.hatenadiary.com/entry/2020/01/14/101354 https://sumita-m.hatenadiary.com/entry/2020/01/15/103151 https://sumita-m.hatenadiary.com/entry/2020/01/16/084538 https://sumita-m.hatenadiary.com/entry/2020/01/20/113704
*3:See also https://sumita-m.hatenadiary.com/entry/2019/11/21/163607 https://sumita-m.hatenadiary.com/entry/2020/01/01/123253 https://sumita-m.hatenadiary.com/entry/2020/01/04/162334 https://sumita-m.hatenadiary.com/entry/2020/01/06/092155 https://sumita-m.hatenadiary.com/entry/2020/01/14/094848 https://sumita-m.hatenadiary.com/entry/2020/01/14/095940