#Geology #Sedimentology #learning #waveserosion #carbonates #Cretaceous Atlantic Ocean has carved into the carbonate cliffs fabulous shapes at Étretat, Normandy, NW France, sometimes 90 m above sea level. Famous painters as Claude Monet, writers as Victor Hugo and movie directors as Luc Besson were amazed in front of the majestic landscape. The popularity of the "Étretat chalk complex", as it is known, made the multitude people that contemplate the great wall of chalk to rise