Learn cities built on the cliffs!

What is the reason that makes human risk building above the cliffs? Is it a sense of security? Adventure? Escape from enemies?

Santorini | Greece

 

Wadi Dawan | Yemen

 

Alhjara | Yemen

 

Civita di Bagnorigio | Italy

 

Haraz | Yemen

 

Cordes  | France

 

Piedao | Portugal

 

Rocamadour  | France

 

Vernazza |  Italy

 

Sintra | Portugal

 

Pitigliano | Italy

 

Meteora  | Greece