Naturally formed ice spheres, also known as ice balls are a rare and fascinating winter phenomenon that occurs when chunks of ice are shaped by the currents of a cold, moving body of water. https://t.co/nPalW3zBmU https://video.twimg.com/ext_tw_video/1796432698795319296/pu/vid/avc1/720x1280/gANc9_vGhqj-BMnl.mp4?tag=12