Baiyun lake is a most natural fresh-water lake in Jinan, Because the supply of water was unstable, it effected directly ecological and economical benefits of wetland.
Unlike the villain in James Bond's Quantum of Solace who hatched a secret plot to monopolize Bolivia's fresh-water supply, the real water barons cannot be reduced to a simple archetype.
The line is mainly used in producing PVC pipe materials. The pipes are widely used in pipes of fresh-water, sewer.
But recently the inland waterways, docks and fresh-water intakes of North America have been overrun by zebra and quagga mussels-species that originate from the area around the Black Sea.
The animal is believed to be among the world's oldest fresh-water mammals, having been around for some 25 million years.
It has ravaged fresh-water fisheries, livestock, crops and groves of date palms that once made the area famous, forcing the migration of tens of thousands of farmers.
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