People enjoying the outdoors at Baylands Nature Preserve in Palo Alto, California

sun sunset nature background landscape golden hour northern california california palo alto mountain view scenery sky silhouette environment golden nature baylands peaceful san francisco bay summer clouds dramatic sky bay area marshland walking walking trails trails nature therapy bay estuary sf bay trail preserve orange tones natural trees silicon valley destinations still shot outdoors social distancing outdoor 4k outdoor activities people happiness wildlife bird watching birds exercising salt ponds