Huevo del TeideOne of the ‘Eggs of Teide’, huge, strange rocks strewn across the side of Tenerife’s Mount Teide. These are technically known as accretion balls, formed as slowly-cooling lava rolls down the side of a volcano, picking up more lava as it goes.Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to email a link to a friend (Opens in new window)