I was about to remark on the same thing. These dunes are clearly not ‘communicating’: rather, the physics of dunes has some counterintuitive (but not entirely s

I was about to remark on the same thing. These dunes are clearly not ‘communicating’: rather, the physics of dunes has some counterintuitive (but not entirely surprising) non-local effects... which in turn are purely an artefact of our flawed conception of them as being ‘objects’, rather than emergent properties.