One of the rock-hewn pools of the Tawila Cisterns twists between the rugged slopes of the Crater district of the port city of Aden, Yemen, for 2000 years a source of fresh water for the city.
One of the rock-hewn pools of the Tawila Cisterns twists between the rugged slopes of the Crater district of the port city of Aden, Yemen, for 2000 years a source of fresh water for the city.