Roman roads relied on thickness and rigidity, and sometimes needed excavations up to 2m deep. This meant they were long lasting but allowed nothing for temperature induced expansion or contraction. They were consequently prone to surface fissuring and uneven drainage.
Vs:
The Chinese roads, on the other hand, were more akin to modern highways, being thinner and more elastic. They were built with a rubble sub-base onto which a layer of finely tamped gravel was added to produce a 'water- bound macadam'.
Other ancient road networks existed, but Rome and China were the big two from a civil engineering PoV.
car 8 hours ago [-]
Prehistoric fields have also been identified with Lidar.
See Also: https://en.wikipedia.org/wiki/Shudao https://www.newcivilengineer.com/archive/chinas-ancient-road...
Vs: Other ancient road networks existed, but Rome and China were the big two from a civil engineering PoV.https://celtic-fields.com
https://www.youtube.com/@IsaacMorenoGallo