e hënë, 04.30.00. BST ![How Do They Do It? - Season 12](/img/united_kingdom/reviews/discovery_channel/how_do_they_do_it_season_12.png)
How Do They Do It? - Season 12
Harp Strings And More
How do they make the world's finest harp strings? How do they build roof windows that can keep out a hurricane? And, How do they make Belgian waffles?