We were particularly excited for this week's episode of Blue Planet 2, which took us underwater to explore the most diverse marine ecosystems: coral reefs. Despite covering less than one percent of the Earth's surface, these submarine cities support a staggering 25 percent of all marine species. And once again, the chaps at Blue Planet didn't disappoint, showing some of the reefs more eclectic residents, including a terrifying pre-historic bobbit worm reminiscent of Stranger Things (more on that later), a grouper and octopus hunting together and a turtle spa, as well as a host of other fascinating marine life. But as the episode ended we felt rather restless; the TV is not enough to satiate us, we need to see these glorious ecosystems in the flesh. So if you're a bit like us and fancy an Attenborough adventure, read on for our favourite coral reefs.
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