UNESCO

A Nepalese resident feeds pigeons in Durbar Square in Kathmandu on January 9, 2014. Home to the palaces of Malla and Shah kings who ruled over the city, Durbar Square is listed as a UNESCO world heritage site.

Prakash Mathema/AFP

A Nepalese resident feeds pigeons in Durbar Square in Kathmandu on Thursday. Home to the palaces of Malla and Shah kings who ruled over the city, Durbar Square is a Unesco world heritage site

The sun sets on the Mont Saint-Michel, a Unesco world heritage site, western France.

Damien Meyer/AFP

The sun sets over Mont Saint-Michel, a Unesco world heritage site in western France

A worker sweeps in front of Taj Mahal in Agra, India, early Monday morning, June 3, 2013. The Taj Mahal, a UNESCO Heritage site, was built in 1631 by the Mughal emperor Shah Jahan in memory of his wife Mumtaz Mahal and attracts tens of thousands of tourists every year. (AP Photo/Pawan Sharma)

Pawan Sharma/AP

A worker sweeps in front of the Taj Mahal in Agra, IndiaRead more