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Stuff reports:

It’s a video that has melted the hearts of hundreds of thousands of viewers.

Laboratory chimpanzees at a research facility in Austria were filmed stepping into daylight for the first time after decades in captivity – and they did not hide their joy.

They peered out of an open door, uncertain at first, before hugging each other and taking their first steps around the sunlit outdoor compound, climbing to the top of the trees to look at the views outside.

German television network RTL broadcast the footage on Sunday, and different YouTube versions of the 10 chimpanzees exploring the outside world for the first time have since attracted more than 130,000 hits.

The chimpanzees, who were part of tests for a pharmaceutical company since they were infants, were freed from captivity after a 14-year battle, the Daily Mail reported.

The video is below. Very moving and wonderful.

Note the video is now the English language version.