Who knew the ocean has a public transport system 🦀   Columbus crabs aren’t built for long-distance swimming, so this little crab takes a shortcut through the open ocean. By hitchhiking a ride on a turtle, he find transport, a new home and some unexpected company.   Celebrate 20 years of Planet Earth with us. Find out where to watch the full episode via our link in bio 💚 #PlanetEarth #DavidAttenborough #PE20 #PEIII