background textured walls of a salt mine,turda salt mine from romania,indoor view details.

abstract aged backdrop background cave concrete construction damaged deep depth design digging distress distressed dust dusty earth effect empty europe exploration extraction frame gallery geology grain grunge grungy historical history industrial industry mine mineral natural old overlay pattern perspective reflections retro rock romania romanian rough salina saline salt salty scratch scratched shadow shaped shapes site spectacular speleology sratched stone surface template texture textured tourism transylvania travel tunnel turda underground unesco urban view vignetting wall wallpaper walls