A world heritage site is a site that is protected by UNESCO - United Nations Educational, Scientific and Cultural Organization. They protect important sites around the world for example - the great wall of china or the great barrier reef.
yes it is
Stonehenge is a World Heritage site.
The purpose of a sea wall is to provide a barrier between the sea and land (specifically areas that are heavily populated). This provides protection against sea actions such as tides and waves.
No, Wave Rock is not a World Heritage Site.
Alcatraz is not a World Heritage site at this time.
yes, yes it is a world heritage site
The City of Valletta was declared a World Heritage Site in 1980.
A world heritage site is a place listed by UNESCO as having special cultural or physical significance.
World Wide Web
The Sphinx is not an individual world heritage site. It is within a giant world heritage site called Memphis and its Necropolis - the Pyramid Fields from Giza to Dahshur. This site was given world heritage status in 1979.
Timbuktu was inscribed as a World Heritage site in 1988.
it was declared as a world herutage site i 2009