My visit to ARCO, Madrid's contemporary art fair, happens at a time when I am designing 2,000 dollar homes and just returned from a brainstorming session on it in Africa. In this context, it feels rather difficult to appreciate any dispensable object that carries the same price tag as hundred homes. This said, art isn't that inessential. It has an extraordinary effect on the soul and the artworks at this year's edition did certainly meet the purpose. Here is a selection of my favourites.