A0809,USA,US,United,States,U.S.A.,U.S.,trees,sunlight,state,park,sloping,slope,sky,scenic,scene,rural,rolling,quiet,peaceful,outside,outdoors,oak,nature,natural,Mt.,Diablo,Mount,landscape,land,horizontal,hills,hill,green,grass,countryside,country,Contra,Costa,County,colour,color,cloudy,clouds,California,American,America,foliage,habitat,idyllic,picturesque,spring,springtime,terrain