Preparations for the groundbreaking ceremony to mark the next major milestone towards ESO’s European Extremely Large Telescope (E-ELT). Part of the 3000-metre peak of Cerro Armazones is blasted away as a step towards levelling the summit in preparation for the construction of the largest optical/infrared telescope in the world.

More information: eso.org/public/videos/eso1419c/

Credit:
ESO

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