The Diorama is a miniature world in Efteling amusement park in the Netherlands. The highly detailed mountainous world, or Diorama, was designed by Anton Pieck and opened in 1971, in honour of the 20th birthday of Efteling. The visitors can walk around a 60 metre long show-case with mountains, little villages, castles and churches, moving trains and automobiles and flowing water. Most of the Diorama is set in day-time, but a smaller part is devoted to night-time