research institute of electrical communication, tohoku university katahira campus, 2-1-1 katahira, aoba-ku, sendai, miyagi, japan (on the premises of katahira complex, tohoku university)

onagawa-machi, oshika-gun, miyagi prefecture (in onagawa-machi sogo undo park, baseball field for town residents)

121-6 emukai, motomiya city, fukushima prefecture (in emukai park temporary housing)

tono city, iwate prefecture (in the parking lot for tono city employees)

minamisanriku-cho, motoyoshi-gun, miyagi prefecture, japan

288, yogorouchi, ushikawachi, kashima-ku, minamisoma city, fukushima prefecture (in a fallow field)