Aerial view of black lava beach, El Golfo, Lanzarote, Canary Islands, Spain

© Westend61/Adobe Stoc

Ash meets splash. Black lava beach, El Golfo, Lanzarote, Canary Islands, Spain

On Lanzarote, part of Spain's Canary Islands, geology got carried away. Dark sand meets the Atlantic beneath cliffs streaked with ocher and rust, the handiwork of volcanic activity spanning millions of years. One chapter of this story arrived remarkably recently: between 1730 and 1736, numerous vents opened across Lanzarote, sending lava over dozens of square miles and burying roads, villages, and farmland.

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