Author 'Gdix' : For many of the girondins, the tidal bore is a sea serpent, the Loch Ness monster. They have like everyone in the world dreamed of since childhood to see a day its fabulous wave, they have mounted several expeditions against the clock, established calculations, posted lookouts, but they were never able to fall on it. To add to his legendary reputation, it must be said that depending on the location of the appointment, its passage is preceded by an aura which is quite strange. The birds stop singing. And then you hear born in the distance a sort of low rumbling sound muffled, which is amplified gradually. There is a time of uncertainty about the nature of what is meant. Finally, when the rumbling has taken the time to grow, you begin to clearly distinguish them from the lapping, the sound of wriggling water. It is a sign that he is near, and we are seeing it finally. It goes by slowly.