In 2082, there was a mass extinction of life on earth. Species die, plants wither, and human societies fall apart. The space immigrants were all wiped out, the resource war ended together, and the corpses of suicides filled the valley. At the last moment when humankind was about to disappear completely, ten thousand people made the last choice. They took off their clothes, got naked, and walked into the machine. There was a flash of light. Then there was nothing. No one knows where they went. There is only one sentence engraved on a bone at the highest point of the hillside.
