It is a cultural site.
Uluru is both a natural site and a cultural site. It is a natural landform, and it is culturally significant to the indigenous Australians.
The Leaning Tower of Pisa or Torre Pendente Di Pisa is a Cultural site. A cultural site is man-made and a natural site is one like the Great Barrier Reef or a rainforest
Natural
It is actually listed as a World Heritage Site.
A mixed site has both natural and cultural criteria for a world heritage site.
Milford Sound/Piopiotahi is a natural world heritage site. It is a fjord with two waterfalls.
The great barrier reef is a natural site, as humans did not influence the creation of it, but early Aborigional people and Torres Strait islanders had cultural connections with it.
Yes, the Mount Huang (黄山) is listed as a World Natural and Cultural Heritage Site.
A mixed World Heritage site is a site that has both cultural and natural significance to the world. These sites fall under many of the 10 criteria that UNESCO has for a world heritage site. They must meet at least one of the cultural and natural criteria. There are 31 mixed world heritage sites in the world. Some of these sites include the Historic Sanctuary of Machu Picchu in Peru and Mount Athos in Greece.
The great barrier reef is a natural site, as humans did not influence the creation of it, but early Aborigional people and Torres Strait islanders had cultural connections with it.
Because it was built by people from the past. The building did not form naturally.
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.