The "Big Hole," also known as the Kimberley Mine, is a famous open-pit diamond mine located in Kimberley, South Africa. It was excavated by hand between 1871 and 1914, making it one of the largest hand-dug holes in the world. The mine is approximately 1,500 meters wide and 240 meters deep, showcasing the immense effort put into diamond mining during the diamond rush. Today, the Big Hole is a popular tourist attraction, featuring a museum that educates visitors about the history of diamond mining in the region. It is a significant landmark, symbolizing the impact of the diamond industry on South Africa's economy and history.