A color and mood study. I guess you could say that it's post-post-apocalyptic. The fires die, and the waters are churned once again by young limbs. Hope? Perhaps it's just part of the deep complexity of a unified whole.
It's also an attempt to illustrate not just a memory, but a particular type of memory: the gilt frames we put our visions in, when we recall how blue the sky was, or how beautiful she was, or how young we once felt, or any one of a thousand horrors unleashed on a conversation by boozy old men.