A fisherman releases young pikes into a pool of water during a rescue operation at the intermittent Lake Cerknica July 24, 2013. Every year, when the lake dries up, fishermen transfer the pikes to an artificially created pool of water at the lake.[Photo/Agencies]

A fisherman shows young pikes during a rescue operation at the intermittent Lake Cerknica July 24, 2013. Every year, when the lake dries up, fishermen transfer the pikes to an artificially created pool of water at the lake.[Photo/Agencies]