In China, the last female rafetus turtle is about to be introduced to her new home, where the last male is waiting to meet her.
The moment Charlie Russell and Maureen Enns saw the three orphans in a Russian zoo, they knew what they had to do.
During the latter part of the 20th century, zoos began to provide a new experience for visitors by replacing the iron bars and concrete walls of cages with protective moats, bigger animal areas, and recreated tropical rainforests.
During the 20th century, as humans have encroached more and more on animals' territory, zoos have come to be more than just places to view wild animals.
Every animal has a story...and so does the staff at the San Diego Zoo.
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