Red carpet of common glasswort seen in Hokkaido

Red carpet of common glasswort seen in Hokkaido

ABASHIRI, Japan - Visitors trek through a carpet of red common glasswort on the shores of Lake Notoro in Abashiri, Hokkaido, on Sept. 14.

Carpet of common glasswort seen on Lake Notoro in Hokkaido

Carpet of common glasswort seen on Lake Notoro in Hokkaido

ABASHIRI, Japan - People spend time looking at a red carpet of common glasswort on Lake Notoro in Abashiri, Hokkaido, on Sept. 20.

'Akkesiso' turn red in eastern Hokkaido

'Akkesiso' turn red in eastern Hokkaido

KUSHIRO, Japan - Tourists trek on a path through a carpet of ''akkesiso'' or generally known as ''sangoso'' (coral plants) that grow in banks near Lake Notoro on the Okhotsuk Sea in eastern Hokkaido on Sept. 13. The plant turns reddish in color early in autumn.

Red glasswort in northern Japan

Red glasswort in northern Japan

Visitors view glasswort that have turned red on the shores of Lake Notoro in the Hokkaido city of Abashiri, northern Japan, on Sept. 15, 2022.

Red glasswort in northern Japan

Red glasswort in northern Japan

Visitors view glasswort that have turned red on the shores of Lake Notoro in the Hokkaido city of Abashiri, northern Japan, on Sept. 15, 2022.

Red glasswort in northern Japan

Red glasswort in northern Japan

Visitors view glasswort that have turned red on the shores of Lake Notoro in the Hokkaido city of Abashiri, northern Japan, on Sept. 15, 2022.

Red glasswort in northern Japan

Red glasswort in northern Japan

Visitors view glasswort that have turned red on the shores of Lake Notoro in the Hokkaido city of Abashiri, northern Japan, on Sept. 15, 2022.

Carpet of common glasswort seen on Lake Notoro in Hokkaido

Carpet of common glasswort seen on Lake Notoro in Hokkaido

ABASHIRI, Japan - People spend time looking at a red carpet of common glasswort on Lake Notoro in Abashiri, Hokkaido, on Sept. 20. (Kyodo)

Red carpet of common glasswort seen in Hokkaido

Red carpet of common glasswort seen in Hokkaido

ABASHIRI, Japan - Visitors trek through a carpet of red common glasswort on the shores of Lake Notoro in Abashiri, Hokkaido, on Sept. 14. (Kyodo)

'Akkesiso' turn red in eastern Hokkaido

'Akkesiso' turn red in eastern Hokkaido

KUSHIRO, Japan - Tourists trek on a path through a carpet of ''akkesiso'' or generally known as ''sangoso'' (coral plants) that grow in banks near Lake Notoro on the Okhotsuk Sea in eastern Hokkaido on Sept. 13. The plant turns reddish in color early in autumn. (Kyodo)

Lake Notoro in Hokkaido painted with red glassworts

Lake Notoro in Hokkaido painted with red glassworts

Glassworts have turned red on the shores of Lake Notoro in the Sea of Okhotsk coastal city of Abashiri, Hokkaido, on Sept. 25, 2017, as seen in the photo take from a drone, drawing tourists for the prime viewing season. (Kyodo) ==Kyodo

Lake Notoro in Hokkaido painted with red glassworts

Lake Notoro in Hokkaido painted with red glassworts

Glassworts have turned red on the shores of Lake Notoro in the Sea of Okhotsk coastal city of Abashiri, Hokkaido, on Sept. 25, 2017, as seen in the photo take from a drone, drawing tourists for the prime viewing season. (Kyodo) ==Kyodo

Lake Notoro in Hokkaido painted with red glassworts

Lake Notoro in Hokkaido painted with red glassworts

Glassworts have turned red on the shores of Lake Notoro in the Sea of Okhotsk coastal city of Abashiri, Hokkaido, on Sept. 25, 2017, as seen in the photo take from a drone, drawing tourists for the prime viewing season. (Kyodo) ==Kyodo