This document discusses sustainable cultural heritage and provides examples of world heritage sites. It begins with definitions of cultural and natural heritage. It then lists statistics on world heritage sites by type, region, and those currently in danger. Examples of heritage sites threatened by climate change and overtourism are given. The document introduces the concept of sustainable cultural heritage and its relation to the UN's 2030 Agenda. Finally, it discusses the use of replicas to preserve endangered heritage sites, providing examples of replicas created of King Tut's tomb, the Cave of Pont, and the Great Sphinx of Giza.