I don&#x27;t believe you need high ceilings; you can diffuse light just as well over short distances with metamaterials. Look at <a href="http:&#x2F;&#x2F;coelux.com&#x2F;" rel="nofollow">http:&#x2F;&#x2F;coelux.com&#x2F;</a>, for example. Ideally, you&#x27;d want one of those, brighter, covering your whole ceiling.