Well, this writing is good. However, this lacks specific examples for both para 3 and 4. As you can see from the prompt:
Use specific reasons and examples tosupport your opinion.
it is your task to present in-depth views retrieved some facts as to support your claim.
In my opinion, as we aim to develop a futuristic city we should still take account on the marvelous artifacts that we have in the past. Technological breakthroughs have made these possible for us.
A futuristic city? What does it refer to?
Always remember that you are not allowed to present new idea(s) in the conclusion. Your task is to recall the main points and restate the thesis statement. If needed, then give some viable suggestions.