In looking at photos from the ride 20K Under the Sea in MK as well as Nemo Submarine Voyage(r.i.p.) at DL, it occurred to me that there must be no technique available to prevent people from seeing the surface of the water. For instance, in The Seas at Epcot, it would be great if you couldn't see the surface of the water, as well as, overhead work lights, etc. up above. It destroys the illusion. Is there anything that could remedy this?