Introduction to the Royal Botanic Gardens of Melbourne: The Royal Botanic Gardens Melbourne is located about five kilometers south of Melbourne city center. It was built in 1845 and covers an area of 40 hectares. It has more than 30,000 kinds of exotic flowers and plants. One of the best designed botanical gardens in the world. Most of the flowers and trees planted in the garden are rare exotic treasures and local Australian plants. The biggest feature is the commemorative trees planted by famous Australian and foreign historical figures: such as British detective novelist Conan Doyle, Governor-General of Victoria Latrobe, Prince Albert, husband of Queen Victoria, etc. Particularly famous is the "Separation Memorial Tree" planted in 1851 to commemorate Victoria's approval by the British to establish a separate colony.