Faced with the worsening environment on Earth, and even the covetous eyes of extraterrestrial civilizations, humanity tried to counter the many threats facing the planet by emigrating to Mars. At a United Nations assembly, the plan to move humanity to Mars was launched, and large-scale infrastructure construction on the planet began in full swing. The chief official in charge of engineering construction on Mars was Guan Menghan of China. His fingers traced a line of fog across his transparent visor. In the orange-red Martian dusk, the streak of moisture vanished in an instant. He gazed at the winding canyon outside the habitat as a mechanical arm slowly fitted a prefabricated panel into the gravel. These panels, made from
