The Royal Botanical Garden, adjacent to Sydney's downtown business district and opera house, is open to the public free of charge. Walking in the courtyard, you can see all kinds of plant species, fountains and sculptures with various characteristics everywhere. There are ferns exhibition area, greenhouse, palm area and so on. Along the seaside, couples sitting on the lawn, children playing and old people walking can spend their leisure time here. Every day, from 10:30 to 12:00 pm, volunteers will show visitors free of charge about the rich history and plants of the Botanical Garden.