The future of the world in 2070 Earth, due to human awareness of the importance of environmental protection, so the world's top scientists together to study high-tech, so that the earth's environment is not damaged, and to maintain the ecological balance of scientists now put the electric fan for a decade of transformation, into the space to fill the complete ozone. It also strengthens the atmosphere so that the ozone and the atmosphere are no longer subject to any wear and tear. And there are many robots above the earth to protect the ozone and the atmosphere.