Star Dome Valley.
Murong Huai had not been here for several years. Familiar with the route, he opened the underground passage and arrived at the subterranean factory where Mo Heng and the others worked.
Industrial development on the Douluo Continent was rather unusual. Things such as electronics were already fairly advanced; electric streetlights and ordinary electronic appliances had already appeared to some extent.
Murong Huai had also written down much theoretical knowledge and technical processes and handed them over to Mo Heng and the others. They learned quickly. Many things had begun as gradual experiments, and though they were still far behind those of his previous life, they had already begun to take shape. Steam engines, among other things, had been developed and put into industrial use, though they had not yet been fully popularized.
After arriving at the underground factory, Murong Huai headed straight inside. Several steam engines had been installed there already, with smoke venting through chimneys to the surface dozens of meters above. Everything was in perfect order, and the operation had begun to take on a certain scale.
Murong Huai reached the innermost section, Mo Heng's private workshop. He pushed the door open and entered. Mo Heng, who had been studying a set of blueprints, looked up. His face immediately lit up, and he hastily set down the drawings and came forward.
"Ah, Your Highness the Holy Son. It has been many years since we last met."
Murong Huai smiled. "It has indeed been a long time, Commander Mo. I won't waste time on pleasantries. How has industrial progress been over these past few years?"
At that, Mo Heng replied with a hearty laugh:
"Haha, thanks to Your Highness the Holy Son, industry has advanced by leaps and bounds! Those books Your Highness gave us are