30 Years of National Geographic Specials(1995)

submarine

elephant

marine biologist

gorilla

lion

grizzly bear

sailing

alligator

exploration

lioness

wildlife

cultural difference

clip show

shark

desert

hyena

retrospective

archaeologist

extinction

chimpanzee

anthropologist

naturalist

primatologist

wildlife conservation

wildlife photographer

deep-sea dive

traditional dancer

traditional culture

zoologist