view of blue sky, white clouds and green hills and forest at outdoor reservoir

sky cloud lake reflection water sea horizon shore river tree nature reservoir bay coast landscape morning ocean mountain view blue white clouds green hills forest outdoor woods water source water conservancy valley travel scenic reservoir overlook nature beauty natural scenery aerial photography baiyun bay beautiful beautiful scenery blue blue sky boats clouds coast dam ecology engineering estuary fishing boats forest green green hills green trees high angle highway hill islands jiyuan lake landscape mountain mountain road mountains nature nobody plants river scenery sky summer tree trees view waters