Happy roots

I was watering paphs yesterday and noticed these two happy roots chasing each other in the bark. I couldn't help it and snapped the picture:



Guess, who they belong to?...

Paphiopedilum Delrosi 'Murray'. Despite last years repeated mites attack, it is still alive and growing. I think it enjoys being in the orchid tank:



I repotted it recently changing medium from chc in clay pot to bark mix in plastic. It seems to like new mix...