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

child: human between birth and puberty

clock: instrument that measures the passage of time

flag: distinctive image used as a symbol, traditionally embodied as a piece of fabric

vista interna: tipo de fotografia

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

São Paulo: most populous city in Brazil