How Do They Do It?

How Do They Do It?

Harp Strings; Roof Windows; Belgian Waffles (13x8)


Air date: Jul 02, 2015

How harp strings and roof windows are made. Also: origins of Belgian waffles.

  • Premiered: May 2006
  • Episodes: 324
  • Followers: 27
  • Ended
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  • Thursday at 22