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There are several mysterious and unexplained places in Kazakhstan that have garnered attention and curiosity over the years. One of these is the sunken city of Zhaltyr-kala, located near the town of Kentau in the Turkestan region. This ancient city is thought to have been submerged underwater at some point in the past, and its ruins are now visible at the bottom of a lake.

The story of Zhaltyr-kala is shrouded in mystery and legend. Some believe that the city was built by an ancient civilization that lived in the region, while others think that it was a military base or a trading post. Some legends even suggest that the city was cursed and was swallowed by the earth or sunk beneath the water as punishment.

Other mysterious places in Kazakhstan include the "Singing Dune" of Altyn-Emel National Park, a massive sand dune that emits a humming or singing sound when the wind blows over it, and the "Valley of the Castles," a series of strange rock formations in the Karkaraly National Park that resemble ancient castles.

It's worth noting that the existence of some of these mysterious places in Kazakhstan is not definitively proven, and their stories are often based on legend and folklore rather than hard evidence. However, they remain sources of fascination and intrigue for many people.