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Stagione 4
Data di messa in onda
Ott 23, 1968
Includes scenes of the national park system throughout the United States and the Virgin Islands, and discusses the contributions of the system to the country, to science, and to the people who use the land preserves.
Includes scenes of the national park system throughout the United States and the Virgin Islands, and discusses the contributions of the system to the country, to science, and to the people who use the land preserves.
Data di messa in onda
Dic 03, 1968
Shows some of the characteristics of various reptiles and amphibians such as the Komodo dragon, Galapagos tortoises, and gigantic dinosaurs, which are shown through an animated diorama.
Shows some of the characteristics of various reptiles and amphibians such as the Komodo dragon, Galapagos tortoises, and gigantic dinosaurs, which are shown through an animated diorama.
Data di messa in onda
Feb 18, 1969
A documentary film on the people and modes of living in Australia's outback. Shows a sheep ranch, an isolated cattle ranch, and opal mines, where the workers escape the blistering heat by living and working underground.
A documentary film on the people and modes of living in Australia's outback. Shows a sheep ranch, an isolated cattle ranch, and opal mines, where the workers escape the blistering heat by living and working underground.
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