LONDON -- A British man has been forced to evacuate his house after a gigantic sinkhole opened up in his back garden.

Ben Bramley of Ripon, UK, tweeted about the 30-foot deep hole on Wednesday night.

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Some people clearly thought he was joking, but Bramley assured them he wasn't.

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Then, on Thursday morning, he shared proof.

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Here's the picture the right way up.

Holy. Moly.

Mashablehas reached out to Bramley for comment.