In the South Korean city of Hwacheon, ice fishing has become an annual tradition.
Tens of thousands of people flock to a frozen stretch of river every day to fish using various styles.
The common factor for everyone, though, is the hunt for the prized sancheono trout.
Three to eight tons of farmed fish are added to the dammed-off river every day.
Al Jazeera's Harry Fawcett reports from Hwacheon.
Source: Al Jazeera