Textures used:

https://commons.wikimedia.org/wiki/File:Rock_Surface_3._RHS_Garden_Wisley_Surrey_UK.jpg

https://commons.wikimedia.org/wiki/File:Solo.JPG

https://commons.wikimedia.org/wiki/File:Grass_Texture.png

https://commons.wikimedia.org/wiki/File:Parched_grass.jpg