Rafting Test Field Trip

" Go look at nature, stars, galaxies, meteorites, and the shadows of black hole accretion disks; Go and see the crowds, the old people, the children, the military, and the women who love men; To see the masterpieces of civilization, machines, paintings, space cities, and great comedies and tragedies; Go see and feel the joy; Go see it and be moved… " "Stop, stop, stop, what do you mean by such a big pile? I'm here to go to school, not to travel." " Ahem, I want to say that when you arrive at your destination and find that the scenery is just like that, and the terminal is not even as big as an airplane, you need to carry forward a little ancient wisdom—— You're here, what else can you do? " "Say it again! I'm here to go to school! I'm not here to travel!"