These gardens were made up of three gardens: the Garden of Perfect Brightness proper, the Garden of Eternal Spring (長春園), and the Elegant Spring Garden (綺春園); they covered a huge area of 3.5 km2 (865 acres), almost 5 times the size of the Forbidden City, and 8 times the size of the Vatican City. comprising hundreds of halls, pavilions, temples, galleries, gardens, lakes, etc. Several famous landscapes of southern China had been reproduced in the Imperial Gardens, hundreds of invaluable Chinese art masterpieces and antiquities were stored in the halls, making the Imperial Gardens one of the largest museums in the world. Some unique copies of literary work and compilations were also stored inside the Imperial Gardens.