#impact play #abrasion #abrasion play #scratching #caning #bruises #scratches #submission #sadism #masochism #sadomasochism

#science #geology #chemistry #erosion #limestone #carbonate #oolitic #abrasion #beach #the earth story

#erosion #ventifact #abrasion #science #geology #the earth story #desert

#sekaa #sekaamodel #bmanphotos #abrasion #fine art #photgrophers on tumblr