You have some very healthy roots there Ken.
A while back I posted photos of my son's phals. When I was visiting him recently one of the plants had shot out two parallel roots, each 12" long, and they were growing towards a cabinet which has an aquarium inside, part of the filtration system for the larger aquarium on top of the cabinet. We turned the orchid pot so the roots would go in a different direction and the root ends promptly turned back towards the moisture source. It was pretty interesting,
