Lake Otjikoto and Guinas located 24 kilometers from the town of Tsumeb. The otjikoto known fact that in 1915 by the retreating German troops flooded their weapons and ammunition. Members of the Metropolitan diving Club raised from the lake bottom cart with ammunition, it is now exhibited in the Museum Alte Fest, other trophies diving club were the exhibits of the Museum of the city of Tsumeb. The depth of the Otjikoto from 33 to 90 meters, but the legends of local tribes say that the Otjikoto bottomless and communicates with the lake Guinas a depth of 130 meters, and the water has a surprisingly dark, almost inky color. Stalactites, raised from the bottom of lake Otjikoto have an age of 80,000 years, which suggests that the lake was a giant dolomite cave and was formed as a result of the destruction of the upper part of the cave. I can add description