It's very formalized in Barcelona's Eixample - the streets are on a square grid and each block is mix-zoned in order that each is a mini community e.g. you prob

It's very formalized in Barcelona's Eixample - the streets are on a square grid and each block is mix-zoned in order that each is a mini community e.g. you probably have a cafe and restaurant on your block, don't need to go far for a laundry etc