known as "miyeok" in Korean, at a beach in Gangneung, Gangwon Province, northeastern South Korea, on April 9, 2025. Koreans use seaweed to make "miyeokguk," Korea's traditional seaweed soup.

known as "miyeok" in Korean, on a rock on the shore of Gangneung, Gangwon Province, northeastern South Korea, on Feb. 25, ...