National Geographic recently screened three documentaries on wildlife and landscape in Sri Lanka –each 45 minutes of total absorption in the opinion of Tissa Wellapillai to whom we are indebted for this referencing
Coast of Giants = https://youtu.be/tF1x6waLjs8
Land of Lakes = https://youtu.be/Gn2wMLqc9sQ
Forest of Clouds = https://youtu.be/FgQ7sxAJa_U
These video documentaries seem to have different sites and titles. For instance, the first of these appears as
The magical Island of Sri Lanka HD | Documentary Film…… Published on May 26, 2015, = https://www.youtube.com/watch?v=QmGiD1xVYxc