© Istockphoto| Antelope Canyon, Arizona, Usa 

© Istockphoto| Lago Kliluk, Columbia Britannica, Canada

© Istockphoto| Papakolea Beach, South Point, Hawaii 

© Istockphoto| Lago Hillier, Middle Island, Australia

© Istockphoto|Pamukkale, Denizli, Turchia 

© Istockphoto| Cascate di Sangue, Scott Base, Antartide

© Istockphoto| Thor’s Well, Oregon, USA

© Istockphoto| Ruby Falls, Tennessee, USA    

© Istockphoto| Sailing stones, Racetrack Playa, California

© Istockphoto| La meraviglia degli iceberg – Circoli Polari