ON A RECENT rainy afternoon the owner of a small riverfront fish restaurant on sleepy Kaisha island, in the middle of the Yangzi river, was worried and bemused by the steadily rising waters. On a spit of land near the riverbank stood a cluster of trees, their trunks half-submerged. A wooden boardwalk leading out to a fishing pier remained only just above the murky water. "There is usually a metre of clearance under the walkway," she said. "Yes, I have seen the water this high before, but never this early in the rainy season."
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