I really don't know what he found so fascinating from that perspective, certainly one that suits the 28mm (0.8x adapter hooked onto the the lens) view. Plus he's shooting straight into the sun...asking for trouble.
First of all, apologies to my readers (all 6 of you!) for the hiatus.
Given my propensity for word-association, however far fetched and plays on words, let me assure you there are many layers of meaning. I suspect perhaps one or two persons--if even them--will appreciate the layer cake (HA!).