４月２日。佐倉城址*1。
国立歴史民俗博物館*2。
躑躅*3。歴博。
桜。
歴博。
外堀。
*1:See also https://sumita-m.hatenadiary.com/entry/20170407/1491538185 https://sumita-m.hatenadiary.com/entry/2019/07/26/073817
*2:See also https://sumita-m.hatenadiary.com/entry/20100309/1268150258 https://sumita-m.hatenadiary.com/entry/20100822/1282499634 https://sumita-m.hatenadiary.com/entry/20130402/1364838429 https://sumita-m.hatenadiary.com/entry/20170718/1500346818 https://sumita-m.hatenadiary.com/entry/2019/03/14/231246 https://sumita-m.hatenadiary.com/entry/2019/05/02/091419 https://sumita-m.hatenadiary.com/entry/2019/07/18/101410 https://sumita-m.hatenadiary.com/entry/2019/07/26/073817 https://sumita-m.hatenadiary.com/entry/2019/07/30/020756 https://sumita-m.hatenadiary.com/entry/2021/03/09/111931 https://sumita-m.hatenadiary.com/entry/2021/04/04/040014
*3:See also https://sumita-m.hatenadiary.com/entry/20060515/1147667307 https://sumita-m.hatenadiary.com/entry/20160821/1471789887 https://sumita-m.hatenadiary.com/entry/20160824/1472007786 https://sumita-m.hatenadiary.com/entry/2020/04/28/022530 https://sumita-m.hatenadiary.com/entry/2020/05/06/102459 https://sumita-m.hatenadiary.com/entry/2020/05/08/011324 https://sumita-m.hatenadiary.com/entry/2020/05/09/103607 https://sumita-m.hatenadiary.com/entry/2020/05/10/114320 https://sumita-m.hatenadiary.com/entry/2020/05/22/111032 https://sumita-m.hatenadiary.com/entry/2020/07/26/224158 https://sumita-m.hatenadiary.com/entry/2021/04/04/025703 https://sumita-m.hatenadiary.com/entry/2021/04/06/104205 https://sumita-m.hatenadiary.com/entry/2021/04/07/102055 https://sumita-m.hatenadiary.com/entry/2021/04/09/080859
