Were both Kon-Tiki and The Life of Mammals documentaries created in the 20th century?
Kon-Tiki (1950 film): Kon-Tiki is a Norwegian-Swedish documentary film about the Kon-Tiki expedition led by Norwegian explorer and writer Thor Heyerdahl in 1947, released in Sweden, Norway, Finland, and Denmark in 1950, followed by the United States in 1951. The Life of Mammals: The Life of Mammals is a nature documentary series written and presented by David Attenborough, first transmitted in the United Kingdom from 20 November 2002.
yes