Greece, Attica, Athens, Hadrian's Arch.

Uzbekistam, Khorezm, An Ellik Kala gateway, Ellik Kala.

Poland, Krakow, Wawel Hill, Wawel Castle, An artillery tower view through gateway.

Greece, Attica, Athens, Hadrians Arch.

China, Yuuunan Province, Lijiang, Zhong Yi Gate in the Dayan old town.

Turkey, Istanbul, Sultan’s Gate, also known as the Royal and Imperial Gate, Dolmabahce Palace.

Turkey, Istanbul, Sultan’s Gate, also known as the Royal and Imperial Gate, Dolmabahce Palace.

Turkey, Istanbul, Sultanahmet, Gateway in The Harem, Topkapi Palace, also known as Topkapi Sarayi.

Angkor Thom. Close up of ancient stone figures lining causeway leading to gateways or gopuras.