How to treat the mid-term exam on the playground of Hunan No.1 Middle School?

A middle school student in Hunan entered the school playground to take the mid-term exam. Obviously, it is more important to imitate North Korea's examination methods. Well, this method is not conducive to the implementation in the whole country, because students should be located in the classroom in the examination room, which is more conducive to students to concentrate on the exam, so that students can have the energy to take the exam. More importantly, today's children are weak, and it is easy to get heatstroke or catch a cold in the examination room.