Knowledge
By United Nations Educational, Scientific and Cultural Organization (UNESCO)
By Office of Natural Resources and Environmental Policy and Planning, Ministry of Natural Resources and Environment
By Department of Cultural Promotion, Ministry of Culture
By International Council on Monuments and Sites (ICOMOS)
By Sanjay Dhar
By The SEAMEO Regional Centre for Archaeology and Fine Arts (SEAMEO SPAFA)
By Helle Porsdam, Ole Reitov