In 1975 in Ukraine, a quarry worker found a strange, black spherical object buried in a seam of clay eight meters below the surface.

Some believe it was nothing more than a gallo - a type of antiquated ironing tool made of glass. Others however believed it was something a little more interesting...

Go to twitter @unexplainedpod, facebook.com/unexplainedpodcast or unexplainedpodcast.com for more info. Thank you for listening.

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