Rock, a candy made in stick shapes, has been synonymous with the British seaside for over a century. Now it’s vanishing because of cheaper Chinese imports.

Sugar, particularly in rock candy form, represents a long history of global trade and power, and remains a well-loved symbolic food in many parts of the world.

The lengthy process of making rock candy has been revealed in a viral online video. Sweet shop Sticky Lollies, which is located in The Rocks precinct of Sydney, posted a clip of two of their candy ...