Lanzarote , the easternmost island in the Canary islands has a unique and spectacular landscape in that the centre of the island is covered by solidified black lava (from a volcanic eruption in 1730-36). This means that nothing can grow there, but around the edges of this mass of lava, conditions are ideal for vines due to the presence of a layer of volcanic ash, known as lapilli or picón. This layer of ash allows quick absorption of rain, prevents it from evaporating, and helps to maintain constant the temperature of the soil underneath.
The vines are planted in holes or ditches so that their roots can reach the soil under the ash. Each hole or ditch is surrounded by a stone wall to protect the vine from the winds.
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Coded by Michaela Kovacova