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https://twitter.com/AntonEberhard/status/1460480263478292483If the depth of the 400ha upper reservoir of the False Bay Salty Water Pumped Storage Scheme is built only 10m deep the maximum head will be 380m and the capacity of the scheme will be more than double that of the Ingula Pumped Storage Scheme.
https://twitter.com/MiamiDadeFire/status/1408177688515428353looking again I and following the lines towards the camera you will see at least one column, implying one of a line of columns supporting the slab above. The dark ripped out lines are perpendicular to the line of columns visualised above. Notice how the lines end near the column: