More even if the think that the structure is inside a fluid and subject to strong forces of pressure, currents and tides and bombed with sand each day. And we h

More even if the think that the structure is inside a fluid and subject to strong forces of pressure, currents and tides and bombed with sand each day. And we have a thin 1cm long cell that still somehow navigates it and don't break. It just does not feel right physically.