transparent blue water in a dubkalnu reservoir among pine forests at zilie kalni (blue hills)

shore water river sea lake coast reservoir tree bay nature landscape beach vacation wilderness mountain rock ocean reflection transparent blue dubkalnu pine forests zilie kalni hills park ogre municipality latvia europe clean environment concept adventure beautiful blue bright coast dubkalni 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 season sky spring summer sunlight sunny tourism travel tree vacation view water weather wonderful woodland