Final scene from Chasing the Moon, a documentary series about the US space program from 1957-1969.
It illustrates how we can achieve great things when we work together toward a common goal and devote enough time, effort, and resources to the endeavor.
Also there was this documentary all about Apollo 8, "For All Mankind (1989)" it is an amazing one all Nasa footage, literally the First Man movie copy pasted it
If only we always worked together like this. There would still be so many problems to solve in the world that can only be solved together: Like the climate change that affects us all, the wars that need to be stopped, the hunger in the poorer countries, the injustice against women, the end of child labor and so much more.