Once upon a time, there was a source of fresh water in the south. It flowed through a strait and into a swamp. The swamp was part of a larger territory that included both the tropics and the tundra.
One day, a tributary sprang up and joined the source, bringing with it water from the tundra. The two bodies of water mixed and flowed together, creating a unique ecosystem not found anywhere else in the world.
The animals that lived in the swamp were amazed at the new changes to their home and soon adapted to the new conditions. They learned to live together and share the territory, creating a harmonious community in the heart of the tropics and tundra.
And so, the source and its tributary continued to flow, bringing life and diversity to the land they passed through.
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