Fortified walls and towers of the Aljaferia palace dating from the 11th century, Saragossa (Zaragoza), Aragon, Spain, Europe

Ka'ba-ye Zartosht, a stone quadrangular tower, Naqsh-e Rostam necropolis, Persepolis area, Iran, Middle East

Fortified walls and towers of the Aljaferia Palace dating from the 11th century, Saragossa (Zaragoza), Aragon, Spain, Europe

Walls and towers at night of the Aljaferia Palace, dating from the 11th century, Saragossa (Zaragoza), Aragon, Spain, Europe

Fortified walls and towers of the Aljaferia palace dating from the 11th century, Saragossa (Zaragoza), Aragon, Spain, Europe

Fortified walls and towers of the Aljaferia palace dating from the 11th century, Saragossa (Zaragoza), Aragon, Spain, Europe

Fortified walls and towers of the Aljaferia palace dating from the 11th century, Saragossa (Zaragoza), Aragon, Spain, Europe

Fortified walls and towers of the Aljaferia palace dating from the 11th century, Saragossa (Zaragoza), Aragon, Spain, Europe