A woman cleans small fish before making Prahok, a popular fermented fish paste, in Russey Keo district of Phnom Penh, Cambodia on Dec. 19, 2020. The season for Prahok, which begins in December and ends in January, has arrived in Cambodia. (Photo by Phearum/Xinhua)

A woman cleans small fish before making Prahok, a popular fermented fish paste, in Russey Keo district of Phnom Penh, Cambodia on Dec. 19, 2020. The season for Prahok, which begins in December and ends in January, has arrived in Cambodia. (Photo by Phearum/Xinhua)