The World’s Languages in 7 Maps and Charts, https://www.washingtonpost.com/news/worldviews/wp/2015/04/23/the-worlds-languages-in-7-maps-and-charts/
Dispersal of Human Populations Map, http://wps.pearsoncustom.com/wps/media/objects/2427/2486120/chap_assets/maps/atl_map1_1.html
Guess the Language, https://www.youtube.com/watch?v=jmgpo0ZqdRU
The Gods Must be Crazy (trailer), https://www.youtube.com/watch?v=GorHLQ-jLRQ
“Click Language” and the San People of Africa, https://www.youtube.com/watch?v=c246fZ-7z1w (go to 1:00)
Star Trek: The Next Generation, “Darmok,” https://www.youtube.com/watch?v=3-wzr74d7TI