I am pretty sure that is NOT a Roman aqueduct but a Portuguese built one from the 18th century.
https://en.wikipedia.org/wiki/Águas_Livres_Aqueduct
https://en.wikipedia.org/wiki/Águas_Livres_Aqueduct#/media/File:Aqueduto_das_Águas_Livres_(1).jpg
I am pretty sure that is NOT a Roman aqueduct but a Portuguese built one from the 18th century.
https://en.wikipedia.org/wiki/Águas_Livres_Aqueduct
https://en.wikipedia.org/wiki/Águas_Livres_Aqueduct#/media/File:Aqueduto_das_Águas_Livres_(1).jpg
This map is really out of date. We now know there were humans in North America many thousands of years before “15,000 years ago”.
This is a better representation: https://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Early_migrations_mercator.svg/3840px-Early_migrations_mercator.svg.png