dangerous m-20 dirt gravel road to tskhratskaro pass, georgia

bakuriani blue borjomi caucasian caucasus dangerous dirt drive georgia georgian grass grassland gravel green hill ktsiatabatskuri landscape m20 meadow mountain nature offroad outdoor pass peak plateau range remote reserve ridge road rock route samtskhejavakheti scenery scenic sky slope steep stone summer tourism travel tree trialeti tskhratskaro valley vegetation view winding m-20 mountains