Cueva del Viento-Sobrado ("Wind Cave") underground complex is the largest lava tube in the European Union and one of the largest in the world. It is the fifth largest in the world behind a series of caves in Hawaii. It was created by lava flows from Pico Viejo, next to Mount Teide. The cave is located in the town of Icod de los Vinos in the north of the island of Tenerife, Spain.
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Santa Cruz de Tenerife