Beatrix Park Playground / Carve Beatrix Park is one of Amsterdam's oldest modern city parks. The oldest part of the park, designed by Jacoba Mulder, was built in 1938 and is characteristic of the transition from the romantic style of the 19th century to the more functionalist style of the post-WWII era. The Beatrixpark is part of the Amsterdam Zuidas area, a district strategically situated betw..