I was looking at other peoples efforts, mainly the repeating mirror effect and someone was complaining about bump so here's both combined
No idea how long it rendered for I used Bidir eye depth 150
The bump on the brick didn't pop as much as I'd of liked, but it might be the normal map, everything else worked ok
first try
Re: first try
Love the floor, is this normal map or you rotated the tiles around to give it variance in reflection?
Re: first try
The variation in the normal map, which were created with Substance Designer