At the end of each original French episode of The Mysterious Cities of Gold there is a little documentary about the real locations and people featured in the show.
Some of the segments feature Mayan people wearing little more than loincloths, particularly the women. They are also referred to as "Indians" which is a somewhat outdated term now. The DVD release in the UK is rated PG, probably as a result of this.
My memory of the 80s is hazy. Were these segments broadcast in the UK on the BBC? And what about the broadcasts in Japan on NHK and in the United States?