Diamond rush
A diamond rush is a period of feverish migration of workers to an area that has had a discovery of diamonds. Major diamond rushes took place in the late 19th and early 20th centuries in South Africa and South-West Africa.
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Wikipedia
A diamond rush is a period of feverish migration of workers to an area that has had a discovery of diamonds. Major diamond rushes took place in the late 19th and early 20th centuries in South Africa and South-West Africa.