At first sight you might think you are looking at paintings or colour cards.
In the meantime you are looking at photo's. At night, Mirjam took several photo's quickly after each thunder, pointing her zoomlens to the enlighted sky. Each colour is the visual result of an enlightment of a dark sky, during thunder.
© Mirjam Offringa, 2016.
Below you can watch a pdf of a small booklet which was available for perusal during the exhibition (North.Now, july 2022):