yosemite vista - tunnel view on big oak flat road

yosemite national park california usa people valley tunnel big oak flat road cave rock mountains forest trees scenic landscape nature wilderness outdoors adventure hiking exploration geology overlook viewpoint barrier engineering trip conservation sierra nevada granite iconic serene tranquil picturesque southwest safety manmade vista biodiversity cliff clouds sky remote unspoiled rocks america american elevated altitude sheltered view stunning yosemite#39aph39#s forested framed man-made road scene showcases park#39aph39#s natural beauty marvels