The woman is left SCREAMING in pain after she dips her hand in boiling hot spring at Yellowstone National Park: 'It's hot! It's very hot!' <br /><br />An unidentified woman dipped her hand into the 175-degree Silex Spring in Yellowstone National Park, leaving her in searing pain <br />After she dips her hand briefly into the blue water, she quickly leaned backward and scrambled to her feet, running away, screaming: 'It's hot! It's very hot!' <br /><br />Gary Mackenzie, who filmed the incident, said he warned them not to leave the boardwalk, but they forewent his warning <br /><br />A woman was left screaming in pain after she is purposely willing dipped her hand into a boiling hot spring at Yellowstone National Park in the latest troubling incident of people behaving recklessly in one of the nation's most celebrated tourist attractions.<br /><br />After she dips her hand briefly into the crystal blue water, she quickly leans backward and scrambles to her feet, running away, screaming: 'It's hot! It's very hot!' <br /><br />Her cries of pain can be heard as she clutches her hand to her stomach and walks back onto the boardwalk.<br /><br />The National Park Service advises all visitors on its website and on the trail to stay away from thermal activity and keep on the boardwalk at all times.
