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Treasures of the Earth: Gems


Treasures of the Earth: Gems. Delve into Earth's depths to discover how precious gemstones like diamonds and rubies are forged.

Past Broadcasts

  • Sunday, September 22 from 11:00 a.m. - 12:00 p.m. on OPB TV
  • Tuesday, October 8 from 7:00 p.m. - 8:00 p.m. on OPB PLUS
  • Wednesday, October 9 from 5:00 a.m. - 6:00 a.m. on OPB PLUS

Upcoming Broadcasts

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