© Istockphoto|Mar Morto

© Istockphoto| Lago Assal, Gibuti

© Istockphoto|Turpan, Xinjiang, Cina  

© Istockphoto| Depressione di Qattara, Egitto 

© Istockphoto| Mar Caspio

© Istockphoto|Depressione Enriquillo-Cul de Sac, Hispaniola, Repubblica Dominicana 

© Istockphoto|Laguna di Hachiro-Gata, Giappone

© Istockphoto|Lago Eyre, Australia

© Istockphoto|Paesi Bassi

© Istockphoto| La pianura intorno a Ferrara, Italia