Complex sentence: The "Koan" was made in 1971 as part of the Peter Stuyvesant Foundation City Sculpture Project and was originally sited in Plymouth; it moved to the Hayward Gallery in London before being purchased by Warwick in 1972.
Split into simpler sentences: The "Koan" was made in 1971 as part of the Peter Stuyvesant Foundation City Sculpture Project and was originally sited in Plymouth. It then moved to the Hayward Gallery in London before being purchased by Warwick in 1972.