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I traveled from 2060 to 2000657. In this world, the most important currency is no longer money, but imagination. People no longer need to run around for life, because with the advanced technology, almost all human beings have achieved immortality. However, due to the limitations of imagination, human beings have turned imagination into a sales platform. Everyone here has a world of their own. The richer the imagination of the world, the bigger the world becomes. To enter other people's world, you must give some imagination, so human beings began to travel through time and space in search of various knowledge to improve their spiritual enrichment.