aerial view following the south fork smith river through verdant valley of redwood forest. - 國家休養區 個影片檔及 b 捲影像00:39
aerial view of tall california redwoods growing along a bend of the south fork smith river. - 國家休養區 個影片檔及 b 捲影像00:22樹林
sunlight illuminates the haze inside the ngorongoro caldera early in the day. - 國家休養區 個影片檔及 b 捲影像00:19