dam on the river drina in perućac. the phenomenon of human infrastructure

bridge river waterway reservoir landmark transport tourism canal arch fortification viaduct infrastructure water ruins channel valley monastery outdoor green travel view summer tree beautiful scenery forest sky mountain sunset blue environment background scenic park vacation lake grass spring natural panorama calm fall landscape nature dam drina perućac phenomenon human outdoor green travel water view summer tree beautiful scenery forest sky mountain sunset blue environment background scenic park vacation lake grass tourism spring natural panorama calm fall landscape nature