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An aerial view shows wooden pontoons equipped to dredge the seabed for deposits of tin ore off the coast of Toboali, on the southern shores of the island of Bangka, Indonesia, May 1, 2021. Indonesia is the world's biggest exporter of tin used in everything from food packaging to electronics and now green technologies. But deposits in the mining hub of Bangka-Belitung have been heavily exploited on land, leaving parts of the islands off the southeastern coast of Sumatra island resembling a lunar landscape with vast craters and highly acidic, turquoise lakes. Miners are instead turning to the sea. (Photo by Willy Kurniawan/Reuters)
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