The Golden Gate Bridge was conceived of 103 years ago, and began construction 87 years ago. https://en.wikipedia.org/wiki/Golden_Gate_Bridge#Conception https:/

The Golden Gate Bridge was conceived of 103 years ago, and began construction 87 years ago. https://en.wikipedia.org/wiki/Golden_Gate_Bridge#Conception https://en.wikipedia.org/wiki/Golden_Gate_Bridge#Conception Buildings and roads are technologies that have existed for thousands of years, and may continue to exist for thousands of years. If you want to protect people and things from the world, it's hard to do better than walls and a roof. If you want to get from point A to point B by land, it's hard to do better than a network of cleared spaces. Sure, we may not know exactly what people in 100 years will want, but it's likely they'll still want buildings and roads.