Complementing Stewart Lee’s classic demolition of xenophobia (also a meditation on nothingness!), this exchange (pointed out by @SabrinaMahfouz) also deserves a wide audience:

This clip is so convincing that its sarcasm eludes some viewers (“My ancestors stole that land fair and square—and if these Native Americans don’t like it, they can go back to where they came from”):

For Tang-dynasty xenophobia, see They come over ‘ere… For Navajo ceremonial and musical culture, click here.