watermill and water friction in pili triklala greece autumn colors in platanus forest

mill watermill water friction mantania trikala pyli pili autumn leaves rock round wooden wood trees platanus plane leaf construction thessalia grece wall forest mountain travel tree old architecture europe river tourism scenery stone bridge arch greek medieval tourist arched balkan gorge greece monument riverbank saint agios visarion aspropotamos bessarion koziakas pindos triklala colors yellow green