Geodetic observation tower in tsukuba.JPG
Yoshihisa_y
en
Geodetic observation tower in tsukuba, Buildings in Tsukuba, Towers in Ibaraki prefecture, Geodesy
commons
en
Geodetic observation tower in tsukuba, 測地観測塔 (Geodetic observation tower in Tsukuba)
commons
ja
つくば市の測地観測塔、つくば市の建築物、茨城県の塔、測地学
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ja
筑波測地観測塔
commons_translated
geodetic geodesy observation tower control tower