Canadian diamonds a 20% ownership of the mine, and since its discovery and start of operation in 1998, Ekati has produced over 40 million carats of diamonds. The discovery and later success of this diamond mine caught the attention of other major mining operations, and more massive mines were opened and fully operational within 10 years. Located approximately 53 miles southeast of the Snap Lake Diamond Mine, the Gahcho Kue Diamond Mine Project is one of the richest diamond mines in Canada with an expected lifespan of 11 years. It is estimated that 54,000,000 carats will be recovered during the mine's lifetime.
Historic Silver Mine in Tarnowskie Góry Adit, part of the Deep Adit Fryderyk, was the first to be exploited for tourism. In 1957, it was opened as a 600 metre long boat tour. The Historic silver mine opened in 1976. The visit in Historic Silver Mines starts in a interactive museum where tourists get the knowledge of methods of silver, lead and zinc ore extraction as well as underground mine drainage. Then tourists go underground. The trail is 1,749 meters long; 270 meters are travelled by boats. Outside the buildings of Historic Silver Mine there is an Open Air Steam Engine Museum. The new attraction of