I guess many roads are hundreds, if not thousands of years old. There are not many reasons to change the position of an established road, e.g. between cities, so I think the main roads that connect them often started as trails between villages and where upgraded according to the needs of the people. The junction in your city next to your city hall may have been an important trading spot before the middle ages already.
This is waaaaay to simple of a depiction of modern roads. Modern infrastructure is super complex, with roads going down meters with many different layers and components.
I would recommend the Practical Engineering YouTube channel to get some insight in how complex our modern infrastructure actually is. Things that seem so simple on the surface are often really complex.
Also: roads aren’t designed for cars, they are designed for super heavy big vehicles carrying tons of materials. If the road can handle those, the cars don’t really matter all that much.
Practical Engineering is a great channel for anyone even slightly curious about civil engineering! Grady does a great job at making infrastructure perfectly accessible
Those things are so bizarre. They latch onto the fish’s mouth, severs the vein to its tongue so the tongue falls off, and the parasite becomes the new tongue. Apparently the fish functions just fine with its parasitic tongue.
interestingasfuck
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