Text details provided by architects. Powerhouse company completes diamond -shaped residential tower on Rhine – just a short distance from the center of the center ArnhemOn the coast of Rhine, the residential tower nelson is completed. Designed by the powerhouse company for vanvone, a diamond -shaped building completes a range of buildings with floodgains, arranged like a subtle ‘string’ of beads in the dike landscape. With its striking look and major vision, Nelson acts as a visual landmark, anchor the scene and defines its place in the city’s silhouette.