Panoramic view of a fountain and rotunda, The Exploratorium, San Francisco, California, USA

leisure activity spare time leisure activity leisure leisure time leisurely spare time free time free time architectural feature ancient arch building exterior building structure california clear sky color colour color image column day dome fountain greenery landmark lush foliage nobody ornate outdoors panoramic plant pond pool rotunda san francisco sky splashing spraying the exploratorium tree usa us united states of america america united states north america vertical water architecture nature recreational pursuit photography