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:
If you build dense cities, you don’t need to build car infrastructures. You rely on walk, bike and public transport. You have plenty of space for trees and green spaces everywhere.