"Three-body Desk Calendar 2021" I have never released the big picture on the Internet. Share it all at once this time. Follow the order: 1 Red Bank Base Sunset 2 Guzheng Operation 3 Personnel Computer 4 Great Trough Monument 5 Chapter North Sea Kills Astronauts 6 Mantis Captures Water Drops 7 Luo Ji Against Trisolaran Civilization 8 Star Ring City 9 Carving Chinese Characters On Stones 10 Two-dimensional Sun 11 Doomsday 12 Blue Star. Communicate more with you, and give us more suggestions on the shortcomings! May the spirit of science fiction live forever, and hope that all people with dreams will not be afraid of the passage of time, and always maintain a curiosity about this world!