Two women running on a sand dune in Death Valley, California.

warm temperature hot heat spacious expansive distance outdoorcollection simplicity summer season secluded remote recreational recreation thirties 30s two people friends two people outside outdoors outdoor nature natural national park free time free horizontal physical healthy health fitness exercise freedom carefree exploring explorer explore excellence dramatic perseverance motivation enduring endurance determination sand dunes desert orange colourful colour colorful color brown hard difficult desire challenging challenge aspiration ambition picturesque beauty beautiful athletic athlete usa us united states of america death valley california ca american america adventuring adventures adventure sports sport liveliness energy effort activity activities active