Spiral Vortex
![Spiral Vortex](/sites/default/files/styles/embed_lg_1x/public/photos/2019-04-19-Spiral-Vortex-Original.jpg?itok=fcTtyzJj)
Spiral vortex found when flowing water through a cross-shaped pathway.
Date:
19 April 2019
Copyright OIST (Okinawa Institute of Science and Technology Graduate University, 沖縄科学技術大学院大学). Creative Commons Attribution 4.0 International License (CC BY 4.0).