geology

Reddish slate stone texture

Salah

Old reddish rock wall texture

Salah

Reddish rock wall texture

Salah

Mineshaft

Daniel

Old dark mineshaft

Daniel

Pumps in a quarry

Daniel

miners at work

Daniel

old dark mine

Daniel

open cast mining

Daniel

Old mine in Portugal

Daniel

Ghost town in Spain

Daniel

Abandoned village in Spain

Daniel