Wave after wave. Long foaming wake + vapor trail is a spectacular sight.
Look with awe at how wave overrun wall defenses & float boats over & capsize it:
If you are interested in the subject it is easier to study & get good grades. Many people score badly in geography since the subject is taught in a boring way in school. Govt propaganda of raising school fees relentlessly to provide better teaching is a bunch of bullshit now with online videos such as this to make teaching easy & fun after 'wowing' the students to stir up their curiosity.
Govt bureaucrats are slow to change.