Not long after, in just a matter of minutes, the tide came roaring back and hit the barriers along the Galle Face Green with such a force that there were walls of water over 15 feet high shooting over the barriers and slamming on the areas where the people were standing not two minutes ago.
Hydrotherapy in spas still has a ways to go to combat its clunkier aspects: Some people will never get used to the idea of someone shooting a hose of water at them.