Sites where a modern "shelter" (often in the form of a steel shed) has been erected over a significant part of the site to protect it from the elements.
World Heritage Sites connected to 'Protective Shelters':
Lalibela Supposedly temporary during restoration - in Oct 08 new structures were opened to replace others 10 years old ("The churches that were covered with shelters are: Biet medhane-Alem, Biet Mariam, Biet Masqal, Bier Ammanuel and Biet Abba-Libanos")