Tau Tona: The deepest mine in the world. His name is Tau Tona (his name means African Great Lion), the city of gold, is in South Africa in the town of Carletonville, 70 kilometers from Johannesburg.
Much of the world’s gold production comes from here. The depths of 3.6 km and is currently working towards the 4 km. It employs about 5,600 people and has over 800 km of galleries. It is so vast that the journey from the surface to the farthest streak can last more than 4 hours round trip.