![ESO on Twitter: "#ELTprogress: Construction of #ELT dome and telescope structure has now begun on Cerro Armazones, at an altitude of over 3000 metres #BiggestEyeOnTheSky https://t.co/P9njIiFBxl Credit: @ESO /G. Hüdepohl https://t.co/z3qgkgCjWm" / ESO on Twitter: "#ELTprogress: Construction of #ELT dome and telescope structure has now begun on Cerro Armazones, at an altitude of over 3000 metres #BiggestEyeOnTheSky https://t.co/P9njIiFBxl Credit: @ESO /G. Hüdepohl https://t.co/z3qgkgCjWm" /](https://pbs.twimg.com/media/DcmJB6HXUAUgQkJ.jpg)
ESO on Twitter: "#ELTprogress: Construction of #ELT dome and telescope structure has now begun on Cerro Armazones, at an altitude of over 3000 metres #BiggestEyeOnTheSky https://t.co/P9njIiFBxl Credit: @ESO /G. Hüdepohl https://t.co/z3qgkgCjWm" /
![File:Artist's impression of the European Extremely Large Telescope (E-ELT) (24523346059).jpg - Wikimedia Commons File:Artist's impression of the European Extremely Large Telescope (E-ELT) (24523346059).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/b/bc/Artist%E2%80%99s_impression_of_the_European_Extremely_Large_Telescope_%28E-ELT%29_%2824523346059%29.jpg)
File:Artist's impression of the European Extremely Large Telescope (E-ELT) (24523346059).jpg - Wikimedia Commons
![The Extremely Large Telescope (ELT) to include MEP systems designed with MagiCAD by the Italian Engineering Design firm Digierre3 - MagiCAD The Extremely Large Telescope (ELT) to include MEP systems designed with MagiCAD by the Italian Engineering Design firm Digierre3 - MagiCAD](https://www.magicad.com/wp-content/uploads/2019/11/ELT-feature-picture.png)