yuichi hayakawa @hykwaaaa
@CSISut / geomorphologist; geosciences,waterfall,gis,geoarchaeology,geophotography / itabashi/kashiwa / lectures@ rikkyo,keio-sfc,ocha
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地理女tweetのまとめ
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@CSISut / geomorphologist; geosciences,waterfall,gis,geoarchaeology,geophotography / itabashi/kashiwa / lectures@ rikkyo,keio-sfc,ocha