Welcome to 2117

Welcome to 2117In year 2117, plants become the most precious thing in the world. The earth is no longer able to provide a safe living environment for human beings and plants - theres no clean air, the sunlight loses the atmosphere filter. Therefore, human has to build artificial environment for plants to live. However the cost of creating those artificial environments is extremely high. Whats more, in the city, due to the rapid development of urbanization, more and more people move into the city...