Spain, Extremadura, Merida, Los Milagros Aqueduct built by the Romans in the first century BC.

Spain, Extremadura, Merida, Los Milagros Aqueduct built by the Romans in the first century BC.

Spain, Extremadura, Merida, Ruins of the Roman Temple of Diana from the first century BC.

Republic of San Marino, Garden of La Rocca O Guaita, or First Tower in Republic of San Marino City.

Republic of San Marino, La Rocca O Guaita, or First Tower, in San Marino City.

USA, New York State, New York City, Anti Vietnam war demonstrators during one of the first demos in 1967.

Turkey, Istanbul, Sultanahmet, Tourists in the Roman Hippodrome in At Meydani beside Egyptian Obelisk with Hieroglyphics from Luxor and relief at base showing Theodosius I and courtiers.

Turkey, Istanbul, Sultanahmet, Tourists in the Roman Hippodrome in At Meydani beside Egyptian Obelisk with Hieroglyphics from Luxor and relief at base showing Theodosius I and courtiers.

Turkey, Istanbul, Sultanahmet, Tourists in the Roman Hippodrome in At Meydani beside Egyptian Obelisk with Hieroglyphics from Luxor and relief at base showing Theodosius I and courtiers.

Turkey, Istanbul, Sultanahmet, The Roman Hippodrome in At Meydani with relief at base of Egyptian Obelisk showing Theodosius I and courtiers.

England, Berkshire, Windsor, The Duchess of Cambridge pub, re-named in 2011 was the first to be named after the newly married Kate.

England, Berkshire, Windsor, The Duchess of Cambridge pub, re-named in 2011 was the first to be named after the newly married Kate.