I have always been amazed by Roman concrete, particularly the hydraulic-setting concrete which they used to construct piers and other harbor structures.
Scientists explain ancient Rome's long-lasting concrete
formatting link
I have always been amazed by Roman concrete, particularly the hydraulic-setting concrete which they used to construct piers and other harbor structures.
Scientists explain ancient Rome's long-lasting concrete
It was not union made.
Have something to add? Share your thoughts — no account required.
Ask the community — no account required