English: On 19 June 2014, a major milestone towards construction of the European Extremely Large Telescope (E-ELT) was reached. Part of the 3000-metre peak of Cerro Armazones was blasted, as a step towards levelling the summit, paving the way for the largest optical/infrared telescope in the world. This video provides a closer look at the event. Note that only natural sound is provided.
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{{Information |Description ={{en|1=On 19 June 2014, a major milestone towards construction of the European Extremely Large Telescope (E-ELT) was reached. Part of the 3000-metre peak of Cerro Armazones was blasted, as a step towards levelling the sum...