Invention of bridges and tunnels (30 déc. 700 av. J.-C. – 30 déc. 600 av. J.-C.)
Description:
Bridges and tunnels were both extremely useful in helping the Romans get to places without having to travel around or over mountains or around a large body of water.Ajouté au bande de temps:
Date:
30 déc. 700 av. J.-C.
30 déc. 600 av. J.-C.
~ 100 years