Phan Cong Quang makes fish sauce in his home in Nam O fishing village on March 4, 2025, in Da Nang, Vietnam. (AP Photo/Yannick Peterhans)
Phan Cong Quang makes fish sauce in his home in Nam O fishing village on March 4, 2025, in Da Nang, Vietnam. (AP Photo/Yannick Peterhans)
Fishers retrieve a net on Nguyen Tat Thanh beach on March, 6, 2025, in Da Nang, Vietnam. (AP Photo/Yannick Peterhans)
Fishers sleep at the Da Nang harbor on March 5, 2025, in Da Nang, Vietnam. (AP Photo/Yannick Peterhans)
Fishers unload fish from their boats at the Da Nang harbor on March 5, 2025, in Da Nang, Vietnam. (AP Photo/Yannick Peterhans)
Nam Ngu fish sauce is displayed at Lotte Mart West Lake on March 10, 2025, in Hanoi, Vietnam. (AP Photo/Yannick Peterhans)
A woman purchases a bottle of fish sauce at Lotte Mart West Lake on March 10, 2025, in Hanoi, Vietnam. (AP Photo/Yannick Peterhans)
Fishers work in the waters outside Nam O fishing village on March 4, 2025, in Da Nang, Vietnam. (AP Photo/Yannick Peterhans)
Phan Cong Quang makes fish sauce in his home in Nam O fishing village on March 4, 2025, in Da Nang, Vietnam. (AP Photo/Yannick Peterhans)
Phan Cong Quang makes fish sauce in his home in Nam O fishing village, March 4, 2025, in Da Nang, Vietnam. (AP Photo/Yannick Peterhans)
Sardines ferment to create a fish sauce in Phan Cong Quang's home in Nam O fishing village on March 4, 2025, in Da Nang, Vietnam. (AP Photo/Yannick Peterhans)
Bui Van Phu produces fish sauce in his home in Nam O fishing village on March 5, 2025, in Da Nang, Vietnam. (AP Photo/Yannick Peterhans)
Sardines ferment to create fish sauce in Phan Cong Quang's home in Nam O fishing village, March 4, 2025, in Da Nang, Vietnam. (AP Photo/Yannick Peterhans)
Worms crawl in the fish sauce made in Nam O fishing village, on March 5, 2025, in Da Nang, Vietnam. (AP Photo/Yannick Peterhans)
Fish sauce bottles are sealed at Huong Lang Co, a fish sauce producer in Nam O fishing village on March 4, 2025, in Da Nang, Vietnam. (AP Photo/Yannick Peterhans)
Fish sauce bottles stand on fermentation pots in Phan Cong Quang's home in Nam O fishing village on March 4, 2025, in Da Nang, Vietnam. (AP Photo/Yannick Peterhans)
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Phan Cong Quang makes fish sauce in his home in Nam O fishing village on March 4, 2025, in Da Nang, Vietnam. (AP Photo/Yannick Peterhans)