© Istockphoto|Yorkshire Dales 

© Istockphoto|Vatnajokull National Park, Islanda

© Istockphoto| Parco nazionaledei laghi di Plitvice, Croazia

© Istockphoto| Parco nazionale di Peak District, Regno Unito

© Istockphoto|New Forest, Regno Unito 

© Istockphoto|Sierra de Grazalema Natural Park, Spagna

© Istockphoto| Sierra Nevada National Park, Spagna

© Istockphoto|Uludag National Park, Turchia

© Istockphoto| Sierra de Aracena  Natural Park, Spagna

© Istockphoto|Parco nazionale del Cilento