And they can use that energy in case the wind falls away, and the tide is coming up, and there is still a little bit of energy to reach the dunes and save their lives, because they are drowned very easily.
a ona pak mohou využít tuto energii v případě, že vítr ustane, a nastává příliv. Ještě jim zbude trocha energie aby došly výš a zachránily si život, protože se jinak můžou velice snadno utopit.