I’m in Italy visiting a very famous volcano called Mount Vesuvius. A volcano is an opening in the Earth’s crust, which allows hot magma, ash and gases to escape from below the surface.

Volcanoes can look like small mountains or hills. A volcano is an opening in the Earth's crust that allows magma, hot ash and gases to escape. Composite volcanoes are the most common type of volcano.

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New Zealand's High Court has cleared the three owners of liability for deaths and harm from a 2019 eruption.