Behind every small business there's a story worth knowing. All the corner shops in our towns and cities the restaurants cleaners gyms hair salons hardware stores - these didn't come out of nowhere.

Can space break? I mean the space of art galleries. Over the past 100 years art galleries have gone from looking like Beaux Arts salons to simple storefronts to industrial lofts to the gleaming giant white cubes of Chelsea with their shiny concrete floors.