Solid and befitting road constructed as regards the terrain. But there is a reason why civilization has not swept through some areas. Men of those generation might genuinely not know how to go about the challenges and disaster. But this generation boasts of vast knowledge and advanced technology. But Alas! The ocean is coming back. The poles are drifting. The climates are changing. Wherever you see loose sand huge body of water moved from there. It will come back its just a matter of time.