Here's an interesting fantasy concrete texture...perhaps for structures, roads, etc.  :-)

My textures can be used to make materials for 3D models or as backgrounds for games. Feel free to edit as needed. 

Thousands of free textures can be found on my webiste here:

https://soundimage.org/images-home-page/

Enjoy, and please connsider supporting my website and my efforts.

You can help out here:

https://soundimage.org/donate/

https://soundimage.org/ogg-music-packs-2/

https://soundimage.org/ogg-game-music-mega-pack/