A kelp harvester and his son dry kelp after harvesting it from the ocean in Urakawa, Hokkaido, Japan, on September 14, 2026, where the town produces seaweed prized for its flavor and plays a central role in traditional Japanese cuisine. (Photo by ANDREW CABALLERO-REYNOLDS / AFP via Getty Images)

Kelp harvesters use hooks to collect kelp off a beach off the coast of Samani, Hokkaido, Japan, on September 14, 2026, where the town produces seaweed prized for its flavor and plays a central role in traditional Japanese cuisine. (Photo by ANDREW CABALLERO-REYNOLDS / AFP via Getty Images)

A kelp harvester stands on a seawall and pulls up kelp off the coast of Samani, Hokkaido, Japan, on September 14, 2026, where the town produces seaweed prized for its flavor and plays a central role in traditional Japanese cuisine. (Photo by ANDREW CABALLERO-REYNOLDS / AFP via Getty Images)

A kelp harvester uses a hook to collect kelp off a beach off the coast of Samani, Hokkaido, Japan, on September 14, 2026, where the town produces seaweed prized for its flavor and plays a central role in traditional Japanese cuisine. (Photo by ANDREW CABALLERO-REYNOLDS / AFP via Getty Images)

A kelp harvester carries kelp up the beach after harvesting it in Urakawa, Hokkaido, Japan, on September 14, 2026, where the town produces seaweed prized for its flavor and plays a central role in traditional Japanese cuisine. (Photo by ANDREW CABALLERO-REYNOLDS / AFP via Getty Images)

A kelp harvester stands on a seawall and pulls up kelp off the coast of Samani, Hokkaido, Japan, on September 14, 2026, where the town produces seaweed prized for its flavor and plays a central role in traditional Japanese cuisine. (Photo by ANDREW CABALLERO-REYNOLDS / AFP via Getty Images)

A kelp harvester stands on a seawall and throws a hook to harvest kelp off the coast of Samani, Hokkaido, Japan, on September 14, 2026, where the town produces seaweed prized for its flavor and plays a central role in traditional Japanese cuisine. (Photo by ANDREW CABALLERO-REYNOLDS / AFP via Getty Images)

A kelp harvester pulls up kelp off the coast of Samani, Hokkaido, Japan, on September 14, 2026, where the town produces seaweed prized for its flavor and plays a central role in traditional Japanese cuisine. (Photo by ANDREW CABALLERO-REYNOLDS / AFP via Getty Images)