Winter Biking (IMAGE) University of Helsinki Caption Continuous social media feed allows real-time monitoring visitation patterns, emerging activities and changes in preferences of tourists in national parks. Credit Vuokko Heikinheimo Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.