The ELT keeps moving forward –– well, upward! This Picture of the Week shows that the concrete structure that will support the 6100-tonne rotating enclosure is almost finished. Can you guess how tall those cranes are?
— ESO (@ESO) November 28, 2022
🔗 https://t.co/f5g3hU9mOq
Credit: G. Hüdepohl/ @ESO pic.twitter.com/JYjC2akdsy