Soil and Seawater 1999 Melanie Jackson Cardiff Bay (Grain Store Building - demolished) The three Rivers Programme was devised to provide artists with the opportunity to explore the nature and environs of the three main rivers, Taff Ely and Rhymney, flowing through Cardiff into the Bristol Channel. Footage of casinos, mountains and ships at sea were chosen for projection onto the side of the remaining building on the site of the grain store building in Cardiff Bay.