Traditional Culture Encyclopedia - Weather inquiry - African aborigines are isolated from the world and wear nothing. Why should they cover jj with cloth?

African aborigines are isolated from the world and wear nothing. Why should they cover jj with cloth?

I don't wear it because it's hot, big brother! The temperature is about 40 degrees, and there is no air conditioner or fan. Do you want to get dressed The aborigines of Amazon in South America don't wear clothes because of the hot weather! Have you ever seen Australian aborigines naked? Also, there are contacts between tribes. What is isolation ... Peach Blossom Garden?