How Do They Do It?

See how tennis rackets are made to serve an ace at over 260 kmh and how seawater is turned into fresh water in Cape Town, South Africa.

Three metres of brass tubing are stretched, bent, and brazed to make a trombone. Also, see how the traditional Spanish bota is created.

Discover how the world's biggest waves are conquered on nothing more than a few kilos of polyurethane and wood.

See how million-dollar horses are flown. Also, chess sets are hand-carved in India, and food photographers create mouth-watering images.

Stainless steel is produced at one of the world's largest steel mills. Also, cash is kept safe with uncrackable locks and jaggery is made.