The Rainbow Fountain (so called because when water and air is cross by sun’s rays you can see the rainbow) is one of the 33 water points present in the garden (fountains, water games, waterfalls, fisheries and small streams) and is located in the middle of the Rainbow Boulevard.  This Boulevard is bordered on the North part by maple’s trees (Acer campestre, Acer platanoides and Acer negundo) while on the South part by high wall of Buxus sempervirens;