The Colourfield Performance, in Sloten, near Leeuwarden, Friesland, Netherlands. Colourfield (Colorfield) is one of the large-scale art projects associated with Leeuwarden's title of European Capital of Culture 2018. Pictured here, Dutch artist Dirk Hakze, who devised the Colourfield Performance, having organised similar projects at the Oerol festival on the island of Terschelling and at other locations in the past. © Rudolf Abraham