The Westfjords of Iceland are known for their sea salt, which, when used in chocolate, reveals a surprising harmony of flavors. In Turpan, Xinjiang, China, grapes are a staple of the daily diet, and various natural ingredients, including grapes, are combined to produce the local marzipan. In the Netherlands, a mead-maker creates one of the oldest alcoholic beverages on the planet using locally-sourced honey.

This episode of "Sweetness in Nature" explores the diversity and complexity of sugar sources found all around us, revealing how nature is the origin of pure sweetness.

For a taste of something sweet, check out "Sweet Planet," co-produced by CGTN and Insight TV, premiering on March 29.