oh I get it now...pattern recognition time again...I was to spend some time looking at those 'lights on a runway'...they weren't on at the time...upon that b/w training video...for ground crew...landing signal officers....there is a close up of one of those 'cat's eyes'....'on the ground'....which is of a similar shape to the bottom of those bottles...go figure...through a glass darkly?

 

I know it sounds 'very strange'...but scarlett had linked the two...I am quite sure of 'that one':