Because of the large amount of cash that was scattered, the construction of the building was completed at a very fast speed. It was almost day and night.
When Tang Zhen led his men to complete a mission and returned to his hometown, the building was basically completed.
There was still some follow-up work that would be slowly completed in the following time according to the development of the situation in the outside world.
Tang Zhen inspected the entire building and discussed with the others to improve the key areas.
The original iron fence had been removed and replaced with a reinforced concrete wall, which was covered with thick steel plates.
If it wasn't for artillery or tanks, it was impossible to break through the wall's defense. Even rifle bullets couldn't penetrate it.
A true iron wall was nothing more than this.