The translated tweet reads:
[Video] Mysterious iron ball on the beach?
It was found that a metal sphere with a diameter of about 5 meters was launched on the coast of Enshuhama in Hamamatsu City, Shizuoka Prefecture. According to the police investigation, there is no danger of explosion, but it is not known in detail what kind of thing it is.
Thumbnail: bedo/iStock via Getty Images