This is actually the Singapore Botanical Garden, by which a bench is designed out of concrete in the circle. Tricky to produce for newbies, but absolutely spectacular! The Exhibit area is open, but a glass roof protects the trees from The weather. Source: localwiki.org The difference between bonsai and topiary http://places-of-interest44200.pages10.com/Not-known-Details-About-Bonsai-Garden-of-Oakland-40531787