This article contains material from the CIA Factbook website which, as a US government publication, is in the public domain. Inhabitants of the United States should consider the following then using this image: CIA Act of 1949 (50 U.S.C. section 403m): Source: [1] File links The following pages link to this file: Transportation in Angola Transportation in Burundi Geography of Chad Demographics of Chad Communications in Chad Transportation... The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ...