Documentaries usually take so much time to be produced and edited, it can even take years. The work behind this amazing footage is extraordinary, as well as the narration by Sir David Attenborough.
Portuguese man o’ War (Physalia physalis) is a marine hydrozoan that is found usually in Azorean waters during the summer, it is important to know how they look in order to avoid them since they can sting and harm humans.
So what better way to identify them than with this amazing footage by the BBC.
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