I found these kind of cool as an idea, as they can be added rather easily to existing cities and provide some greenery without taking up space, while providing shade:
I found these kind of cool as an idea, as they can be added rather easily to existing cities and provide some greenery without taking up space, while providing shade:
That might be me having a bit of a skewd idea of what having trees everywhere means. Still too many cars though and obviously relatively new.