If there was ever an advert that really tugged on your heart strings, then this has to be it.
Filmed in Argentina, this touching commercial features a pet owner and his loyal, devoted dog, who are best of friends - and it seems to have gone viral all around the world. The part when he is waiting outside the hospital will warm even the coldest of hearts...
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Take a look - it may have you signing up for the organ register if you haven't already:
