Fishermen prepare for a traditional fish haul on the Horusicky pond near the town of Veseli nad Luznici, Czech Republic, Tuesday, October 24, 2017. Each autumn, Czech fishermen get to serious business of a century-long tradition of catching carp for Christmas markets. Southern Bohemia, where the Horusicky pond is located, with its elaborate network of ponds is at the center of the local carp universe. (Photo by Petr David Josek/AP Photo)





Fishermen sort fish, mostly carp, during a traditional fish haul at the Horusicky pond near the town of Veseli nad Luznici, Czech Republic, Tuesday, October 24, 2017. (Photo by Petr David Josek/AP Photo)





Fishermen look at their catch during a traditional fish haul at the Horusicky pond near the town of Veseli nad Luznici, Czech Republic, Tuesday, October 24, 2017. (Photo by Petr David Josek/AP Photo)





Fishermen sort fish, mostly carp, during a traditional fish haul at the Horusicky pond near the town of Veseli nad Luznici, Czech Republic, Tuesday, October 24, 2017. (Photo by Petr David Josek/AP Photo)





Fishermen look on surrounding their catch during a traditional fish haul of the Horusicky pond near the town of Veseli nad Luznici, Czech Republic, Tuesday, October 24, 2017. (Photo by Petr David Josek/AP Photo)





Fishermen pull on a net during a traditional fish haul of the Horusicky pond near the town of Veseli nad Luznici, Czech Republic, Tuesday, October 24, 2017. Southern Bohemia, where the Horusicky pond is located, with its elaborate network of ponds is at the center of the local carp universe. (Photo by Petr David Josek/AP Photo)





A fisherman holds his hat during a traditional fish haul of the Horusicky pond near the town of Veseli nad Luznici, Czech Republic, Tuesday, October 24, 2017. (Photo by Petr David Josek/AP Photo)





Fishermen pull on a net during a traditional fish haul of the Horusicky pond near the town of Veseli nad Luznici, Czech Republic, Tuesday, October 24, 2017. (Photo by Petr David Josek/AP Photo)





Fishermen look at their catch during a traditional fish haul of the Horusicky pond near the town of Veseli nad Luznici, Czech Republic, Tuesday, October 24, 2017. (Photo by Petr David Josek/AP Photo)





A fisherman pulls a pike-perch out of the Horusicky pond near the town of Veseli nad Luznici, Czech Republic during a traditional fish haul, Tuesday, October 24, 2017. (Photo by Petr David Josek/AP Photo)





A fisherman carries a silver carp during a traditional fish haul at the Horusicky pond near the town of Veseli nad Luznici, Czech Republic, Tuesday, October 24, 2017. (Photo by Petr David Josek/AP Photo)





Fish, mostly carp, are caught in the net during a traditional fish haul of the Horusicky pond near the town of Veseli nad Luznici, Czech Republic, Tuesday, October 24, 2017. (Photo by Petr David Josek/AP Photo)





Fishermen pull on a net during a traditional fish haul of the Horusicky pond near the town of Veseli nad Luznici, Czech Republic, Tuesday, October 24, 2017. (Photo by Petr David Josek/AP Photo)