In June, construction workers applied shotcrete on the rock surrounding the portal. Credit: Fermilab
In June, construction workers applied shotcrete on the rock surrounding the portal. Credit: Fermilab
July 25, 2019
In June, construction workers applied shotcrete on the rock surrounding the portal. Credit: Fermilab
In June, construction workers applied shotcrete on the rock surrounding the portal. Credit: Fermilab