"1 year, 100 years, 1,000 years, 10,000 years, 100,000 years, 1 million years, 10 million years, 100 million years, 1 billion years, you can choose a precise duration, for example, 18 years, accurate to the year."
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The longer the time retrogression, the more resources consumed.
For instance, returning to one year ago requires only 100 million units of iron ore.
100 years ago costs 10 billion.
If it's 10 million years ago, it would require 1 trillion billion.
He chose to return to 10,000 years ago, very soon, 1 trillion units of iron ore within the train slowly turned to ashes.
In the next moment—
A strange seven-colored light enveloped the entire train, as if the train had entered a tunnel, with the scenery on both sides constantly retreating, and when everything had calmed down, specific information appeared on the screen.
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"This location is at cosmic coordinates xxx, 10,000 years after the timeline retrogression."
"Tourists cannot change history."
