Once they are inscribed as Heritage Sites, they will now be observed by UNESCO on a frequent basis to check it's status and structure and if they saw something bad or any deteriorating factor that causes that landmark to problems and degradation, they will instantly issue an order for the preservation of the said landmark who are at risk.
UNESCO, chooses world heritage sites.
The 2 UNESCO world heritage sites in Cambodia are Angkor and the Temple of Preah Vihear. They were inscribed in 1992 and 2008, respectively.
There are seven UNESCO World Heritage Sites in Croatia.
UNESCO protects and preserve the World Heritage sites.
UNESCO
Humayan's Tomb and Qutb Minar are two UNESCO World Heritage sites in New Delhi.
UNESCO
The pyramids of Giza became UNESCO world heritage listed in 1979.
UNESCO says the world heritage sites belong to everyone.
No, it is not on the list of UNESCO World Heritage Sites.
Because those sites are protected by UNESCO. The world heritage sites may not become lost, because of their rich history
A world heritage site is a place listed by UNESCO as having special cultural or physical significance.