Дэлхийн өв: Засвар хоорондын ялгаа

*[http://www.friendsofworldheritage.org/ Friends of World Heritage] An non-profit organization that works with UNESCO to identify projects that support local tourism enterprises that can help alleviate poverty and conserve World Heritage sites.

 

[[Category:Байгаль хамгаалах хөдөлгөөн]]