Nairobi, April 4 -- One of the best reasons for attending the Luminescence exhibition on any Saturday last month is that you'd have to go to the Organic Farmers Market in Nairobi's Karen where the pop-up show was happening.

There, you would not only find scads of fresh fruits and vegetables trucked in from local farms where no chemical pesticides had been used. You would also find casual clothes, cafes, and all sorts of other organic foods like homemade jams, juices, chocolates, and even coffee beans that are normally sent overseas and not available locally.

The other good reason for getting to Luminescence is that the show's curator, Zihan Herr, had brought together an eclectic array of painters, most of whom are leading lights among c...