Now, I know that reflection of players and other bricks isn't very possible (or possible without immense lag, so I've heard) so what I thought was it would be a nice effect for large skyscrapers and other big buildings have window bricks that have a hard to see through side, and another side that should be seen through the inside of the building. This would simulate the effects of usual windows on skyscrapers. Another thing - they should reflect the sun and the sky of the map in some fashion. I'm not sure if this is possible, but I think it would be nice.