In Japan in most places the height limit for wooden structure is 4 stories (higher than most of the US), they have fewer restrictions on building spacing, and f

In Japan in most places the height limit for wooden structure is 4 stories (higher than most of the US), they have fewer restrictions on building spacing, and fewer restrictions on how much sq. feet per person is required. That makes it possible to have much denser towns. They're one step closer to the ideal.