transparent blue water in a dubkalnu reservoir at zilie kalni (blue hills) nature park in the ogre municipality

lake wilderness tree nature river water wetland reservoir shore reflection landscape pond mountain marsh sea forest cloud transparent blue dubkalnu pine forests zilie kalni hills park ogre municipality latvia europe clean environment concept adventure beautiful blue bright coast environment europe forest freedom green hiils hills idyllic journey lake landscape latvia majestic mountain national nature ogre outdoor park perspective picturesque pine place pond reservoir river sand scenery scenic sea season sky spring summer sunlight sunny tourism travel tree vacation view water weather wonderful woodland