In today's urbanized world, what dangers could there be in the suburbs of a city Nothing more than rugged hills, some small cliffs that aren't very high, and a few streams. Compared to Wang Taika's past experiences, this is just like a primary school field trip!,As a documentary filmmaker, Wang Taika's physical fitness could reach the level of a survival expert. Otherwise, it would be impossible for him to have visited so many dangerous places and survived safely. So, he knows or has heard of almost all the well-known survival experts in China.,“Hello everyone! I’m Gongsun Hu, a survival expert. You can call me Tiger Brother!” the burly man said to the camera in a dramatic tone: “I have a strict temper and won't relax my requirements because you are celebrities. Because that would be irresponsible to your lives! This is deep in the mountains, a very dangerous primeval jungle. There might be some crises inside, so for your own safety, you must listen!”。