Reddit user u/tonynoooo said: "After zooming successful and looking astatine the edges much carefully, present I spot that these are holes successful a solid pane of immoderate kind. The darkened areas are the adjacent edges of the holes showing done the glass, not shadows formed connected the surface."
However, I consciousness similar it is 2 trays sitting connected a solid array of immoderate sort. What bash you think? Let america cognize successful the comments!