With the development of science and technology, the earth's energy is about to be exhausted. In order to survive, human beings are faced with two choices: emigrating to the planet or building a huge recycling machine. In the end, people chose the latter and built an energy-saving city. However, the city is available, but the machine is not, so a
A 12-year-old boy who had been bullied participated in the construction, but his parents did not agree. In desperation, he could only...
Purpose: Telling about the complex human heart