This aerial photo shows a man (bottom L) cleaning tiny pumice stones from the sea at the Waimushan Seaside area in the city of Keelung on December 16, 2021, after the debris drifted to the northern coast of Taiwan from the Fukutoku-Okanoba underwater volcano which began erupting some 1,280 km (800 miles) off the southern coast of Japan in August. (Photo by Sam Yeh/AFP Photo)
