© Istockphoto| Cascate di Iguazù, Brasile

© Istockphoto| Cascate Tugela, Sud Africa

© Istockphoto| Salto Angel, Venezuela

© Istockphoto| Cascate Sutherland, Nuova Zelanda

© Istockphoto| Cascate Kaieteur, Guyana, America Meridionale

© Istockphoto|Cascate del Laja, Cile 

© Istockphoto|Cascate del Niagara, Usa 

© Istockphoto|Cascata Skogafoss,  Islanda 

© Istockphoto| Cascata Havasu, Arizona, Usa

© Istockphoto| Cascate Ban Gioc, Detian, Cina-Vietnam