Documentary on medical equipment in China

The name of this documentary is "Doomsday Preparers", which was broadcast on Discovery Channel 20 1 1 to 20 14. This series of programs follows the various ppers of Doomsday Forecasters, who provide some interesting insights when preparing for the end of the world. One episode is about a group of experts who survive in an abandoned city. They are experts in various fields, including medicine, engineering, military and so on. They set up a base in this city and learned how to survive and protect themselves. They rebuilt a big truck and installed a fire-breathing device to escape quickly when necessary. During the trip, they encountered many difficulties, including lack of food, water and medical equipment. They also learned how to survive in this environment, including how to filter water and make food. This series of programs provides an interesting perspective to let the audience know the skills and knowledge of how to survive in extreme situations.