Bandung Witchcraft

Is a Mock up of a City located in Java, Indonesia which Where young people there have some high creativity and often make good Inventions. Which lead into people mocking the city to have somesort of Hidden Advanced Alien technology and Calls it "Witchcraft" for absurd Reasons.

Person1: Hey, did that plane just fly backwards?
Person2: Maybe it's just another Bandung Witchcraft