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February 28, 2026
Here the water 'flows' uphill, and beneath the hill sleeps a Roman city: Prokuplje as a hidden gem of the south
Just a few kilometers from the center of Prokuplje, on the banks of the Toplica River, there is a natural phenomenon that has been arousing the curiosity of travelers for decades, as well as debates among those who see it for the first time – a place where the water, at least at first glance, flows upstream.

TL;DR
- A natural phenomenon near Prokuplje creates an optical illusion of the Toplica River flowing uphill.
- This illusion is scientifically explained by specific terrain geomorphology and visual perception, not actual reverse flow.
- Prokuplje has a long history, with evidence of Roman settlement (Hammeum) and medieval importance.
- The region was a site of significant events, including the Toplica Uprising in WWI.
- The area has agricultural importance, with vineyards and orchards, but faces demographic and economic challenges, including out-migration.
- The tourism potential, including the 'upstream' river illusion and historical sites, is underdeveloped.
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