Mirror City

Ok, this is my first attempt at a large scale model. It consists of about 2 meshes, the central building and the surrounding buildings with half bridges repeated in a honeycomb kind of shape. ive got mirrors under the bridges that i was hoping would reflect the others a little better and a mist just settled along the bottom. again im pretty new so i dont know much about making smoke/mist etc so i just put a huge circle mesh with the vertex’ spiraling into the middle with another white circle underneath to cover any gaps.

the city its self isnt textured atm because i cant find the right textures for it, im looking for a kind of worn sandstone large brick for the buildings with a cut-stone look for the pillars. im not sure about the rooves but any suggested sites for textures would be great.