A great urbanist organization, Strong Towns, which works towards better and more responsible city design, posted a picture of a pretty street scene in New York and asked if it was missing anything.
Here is their picture:
It's pretty, and way ahead of the American curve. But I think one can easily see it still has some serious shortcomings!
So I immediately set to editing the picture to fix all the problems I could with its design by way of answer.
Two hours later I finished only to find I couldn't post a picture as an answer.
Although, in short, the answer was pretty easy to say:
It was missing
1. A car ban.
2. A canal
4. Sky gondolas
5. Canal gondolas
6. A bit more street lighting
Although I still feel a picture works better as my answer: