Turkey, Istanbul, Sultanahmet Camii, The Blue Mosque Courtyard with minaret.

Turkey, Istanbul, Sultanahmet Camii, The Blue Mosque Courtyard and minaret with Absolutions Fountain in the middle and tourists walking in the shade under domed arches.

Mexico, Veracruz, Papantla, Cathedral de la Asuncion, white and red painted exterior, bell tower and steps to entrance framed by arch decorated for Independence Day celebrations.

Mexico, Bajio, San Miguel de Allende, El Jardin, Detail of yellow painted facade of colonial mansion with French window and balcony, part framed by trees in foreground.

Mexico, Bajio, San Miguel de Allende, Bellas Artes, Mural by Pedro Martinez dated 1940 with woman descending flight of stairs in foreground.

Vietnam, Hue, A stone statue of a man at the tomb of Emperor Tu Duc.

Vietnam, Hue, Ceramic mosaic on a wall at the tomb of Emperor Tu Duc.

Vietnam, Hue, Cong Gate at the tomb of Emperor Tu Duc.

Vietnam, Hue, Cong Gate at the tomb of Emperor Tu Duc.

Italy, Lazio, Rome, Arch of Constantine.

Italy, Lazio, Rome, Arch of Constantine.

Ireland, County Dublin, Dublin City, Kilmainham, Royal Hospital clock tower viewed through an arch of the courtyard cloister.