Four tigers were living in a train car for the past 15 years in the Argentine province of San Luis. After a circus abandoned the tigers, a farmer agreed to look after them in 2007 for a short period of time. 15 years later, the tigers are still there and have now had cubs. These tigers have never felt grass or earth under their paws and it's the first time they can see the sky above them, not just metal bars and a roof. They will now be able to live the rest of their days out in South Africa.

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