The UN logo reflect the organization’s mission which is i<span>ts symbols represent world peace.</span> Olive branches are a symbol of peace and that in the logo, it it drawn that the countries are protected by olive branches which indicates that these nations are protected by each other.
Cultural genocide is used to desribe the deliberate destruction of the cultural heritage of a people or nation for political, military, religious, ethnical, or racial reasons .
Civil engineers and astronauts are very different. Civil engineers are responsible for the design and construction of structures, especially bridges, roads and pipes etc.
Astronomers on the other hand, they are travellers or pilots for spacecrafts.
Do what you think is best for yourself, make a list of pros and cons. I know many civil engineers who love what they do and I'm sure that astronomers feel the same.