The recording ended there.
In between, there was some everyday ranting, which allowed Lu Ban to quickly form an image in his mind of a straight-laced researcher who liked eating beef ramen, listening to classical music, was passionate about research, and had also lost a daughter to disaster.
"Bridges?"
Lu Ban consulted his notebook again before he became certain that this researcher must have been studying how to launch spacecraft beyond the cosmos.
However, unlike the outer space exploration Lu Ban was familiar with, what he was researching, presumably, involved technology for traversing Foreign Domains.
Lu Ban was unclear about the disasters that people of that time had faced, but leaving this planet to find a new home in outer space would undoubtedly have been difficult.