It's a very pleasant environment for both first-time and regular travelers, as well as the people who work there. “Without the greening effort, Singapore would have been a sterile and ugly city. There would have been a few trees, planted haphazardly here and there, but there wouldn't have been the planning, care and maintenance that sustains our greenery today." LEE KWAN YEW (Auger. 2013. P.17) Although most architects have sincerely attempted to improve living conditions in many ways, nature and the use of greenery have been used to resolve the city as a more sustainable environment , but they have not improved. much compared to their nineteenth-century counterparts, but in the twentieth century, with most trees planted and wildlife preserved, changes in social attitudes and technological advances have become more