Lawrence Anthony in South Africa rescued a herd of elephants. He rehabilitated them and set them loose on a game reserve. They wandered off into the inviting terrain.
On the day Lawrence died, from wherever in the park they were, the elephants assembled and stood outside his house as a mark of respect.
However surprising that may be, on the anniversary of his death every year, the elephants turned up again and stood before the house in salutation to the man who had saved them.