MTG Learning Media - On a small island off the west coast of #France, you can witness one of the most remarkable #ocean patterns on the planet, cross sea or criss-cross waves.
![cross section of a strand area with ocean water, beach cube concept with sea and sand (3d illustration, isolated on black background Stock Photo - Alamy cross section of a strand area with ocean water, beach cube concept with sea and sand (3d illustration, isolated on black background Stock Photo - Alamy](https://c8.alamy.com/comp/P850FJ/cross-section-of-a-strand-area-with-ocean-water-beach-cube-concept-with-sea-and-sand-3d-illustration-isolated-on-black-background-P850FJ.jpg)
cross section of a strand area with ocean water, beach cube concept with sea and sand (3d illustration, isolated on black background Stock Photo - Alamy
Square waves beach warning: What are they, why you should avoid | news.com.au — Australia's leading news site
![X \ Dr. Thomas Ronge على X: "Rare and potentially dangerous - but in this case small - cross sea (AKA square waves). #StayOutOfTheWater https://t.co/Di2M4s1su5" X \ Dr. Thomas Ronge على X: "Rare and potentially dangerous - but in this case small - cross sea (AKA square waves). #StayOutOfTheWater https://t.co/Di2M4s1su5"](https://pbs.twimg.com/media/EFFIRk7XUAMOAzi.jpg)