working on the project began in 2001. the fountain was designed by gustafson porter , and cost £3.6 million. kathryn gustafson, an american landscape artist said she had wanted the fountain, which was built to the south of the serpentine, to be accessible and to reflect diana's "inclusive" personality. gustafson said: "above all i hope that it provides a fitting memorial for the princess and does credit to the amazing person that she was."