What is the main function of Kimberley?

Kimberley, a city in South Africa, is primarily known for its historical significance in diamond mining. It was the site of the famous Kimberley Mine, also known as "The Big Hole," which played a crucial role in the country's diamond industry during the 19th century. Today, Kimberley serves as a regional center for commerce and tourism, attracting visitors interested in its mining heritage and historical sites.