| http://www.w3.org/ns/prov#value | - All the sluice gates dare not be opened at once, and have not been since 1966.The fix is a mixture of blasting the plunge pool, so the water goes downstream without creating a whirlpool, and injecting grout ??? in the form of underwater concrete ??? to shore up the foundation.A consortium of the World Bank, the European Union and the African Development Bank this month agreed to provide $250 milli
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