Anyone who says animals don't have a sense of humour needs to think again.
A video of an orangutan rolling around laughing after watching a magic trick has gone viral.
The video shows a member of the public performing a magic trick for the orangutan, who lives at Barcelona zoo.
The man places something into a cup as the orangutan watches and then, with some tricky slight of hand, shows that it has disappeared.
It takes the orangutan a couple of seconds to understand what has happened, but his reaction is priceless.
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