The story behind this heartbreaking photo of a pig in mourning

Heartbreaking footage of a pig mourning the death of his friend by touching his face has gone viral.

The video shows the animal, named Spot, laying his head on Sientje’s corpse before appearing to lick him on the chin.

Sientje’s body was wrapped in a bag and decorated with flowers as he laid on the grass.

The pair had been friends for 13 years, according to a social media post.

Heartbreaking footage of a pig mourning the death of his friend has gone viral. Photo: Storyful

The footage was initially filmed by Rachel Vos in Belgium in October 2017, but had recently gained traction after being shared online.

The pigs were believed to have lived at a charity run by pig owners in the Netherlands.

The pair had been friends for 13 years. Photo: Storyful