Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Town of Luang Prabang' has mentioned 'Natural heritage' in the following places:
Occurrence Sentence Text Source
Article 16 of the Law on Environmental Protection No 09/NA, 1999, focuses on the historical, cultural and natural heritage; Article 7 deals with the obligation to conduct a socio-environmental impact analysis before undertaking any development and infrastructure project.