Why Spain's Playa de Nogales has black sand: The volcanic science behind its striking Atlantic beach

Hidden beneath towering cliffs on the north-eastern coast of La Palma in Spain's Canary Islands, Playa de Nogales is one of the archipelago's most dramatic natural landscapes. At first glance, its sand resembles freshly ground black pepper, creating a striking contrast against the deep blue Atlantic Ocean.

Raccontata datimesofindia.indiatimes.com