TREBON, CZECH REPUBLIC - OCTOBER 31:  Fishermen sort fish during the traditional carp haul at Zablatsky pond near the south Bohemian town of Trebon on October 31, 2016, Czech Republic. Carp, the traditional Czech Christmas Eve dinner served with potato salad, is fished primarily from southern Bohemian ponds and fishermen use traditional methods of catching the local carps.  (Photo by Matej Divizna/Getty Images)