"About five hundred years, if everything goes smoothly!" Tong Feng replied. Engineering estimates and workload forecasts could be made, but they could not be accurate down to the minute or second. After all, progress on a project was not always smooth.
Yue Yuan naturally knew that as well, so he nodded.
Five hundred years would have been enough for dynasties to rise and fall back in the Earth Era, but in the interstellar age, it was only the blink of an eye. And spending that span of time on upgrading the Dream Lyra was not really long at all. It could even be considered very fast. After all, that was the Dream Lyra!
Having made that decision, Yue Yuan still walked to the laboratory together with Tong Feng, Long Xinglv, and Dao Baiqi to take a look at the demonstration process inside, as well as the various latest results that had not yet been uploaded to the civilization database.
Yue Yuan examined everything in great detail. He understood technology too, and after going through it once, he felt much more reassured. He could also understand why Tong Feng had dared to guarantee it so confidently.
What followed proceeded step by step. Yue Yuan directly notified scientists, scholars, researchers, and engineers in every field in his capacity as leader, having them immediately enter the internal virtual conference venue of Human Civilization for a meeting.
At the same time, Yue Yuan also sent messages to the Silver Heart, Daya, and Awakener civilizations, and took the time to explain the cause and circumstances to them, asking them to wait another five hundred years for humanity.
When the three civilizations heard that humanity had actually gone and secretly done something this huge, they were naturally extremely curious.
However, after Yue Yuan explained that this