Southern Africa
Tunnelling milestone reached on Lesotho Highlands Water Project
After seven months of tunnelling, breakthrough achieved on transfer tunnel.
The Lesotho Highlands Development Authority (LHDA) celebrated a tunnelling milestone on 19 August on the Polihali transfer tunnel construction site, breaking through the upper intake tunnel into the lower intake tunnel after seven months of tunnelling. It marks a significant step towards the impoundment of the Polihali reservoir, a key
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