Until only recently, one of the country's most popular swimming lakes was deemed too polluted to swim in. Zemplínska šírava in eastern Slovakia fell victim to a toxic PCB spill in the late 1980s and it was only in 2013 that the lake was deemed suitable for bathing. That's only half the story behind the lakes dramatic tale however, as Gavin Shoebridge finds out...
Zemplínska šírava lake
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Gavin Shoebridge, Photo: TASR