Complex sentence: The Pentakiklon ('Five-ring' sculpture) has its own story; placed in the square in 200, it functioned fully during the Christmas of 2008, when for the first time water ran in the sculpture, transforming the circles into motion.
Split into simpler sentences: The Pentakiklon ('Five-ring' sculpture), has its own story. It was placed in the square in 2001 and functioned fully during the Christmas of 2008, when for the first time water ran in the sculpture, transforming making the circles into motion.