20th century: time period between January 1, 1901, and ended on December 31, 2000

daytime: period on any given point of the planet's surface during which it experiences natural illumination from sunlight

garden: planned space set aside for the display, cultivation, and enjoyment of plants

fence: freestanding structure preventing movement across a boundary

São Paulo: most populous city in Brazil

sobrado: type of house style building from the Portuguese colonial era

sidewalk: footpath along the side of a road or a street

Instituto Butantan: biologic research center in Brazil