Using ordnance survey maps is often like navigating a minefield. The ordinance survey maps are pretty helpful though.

Are you Dutch? Historically, Dutch engineers have handled some pretty impressive mountainous civil engineering projects.

RTGs aren’t used for power in earth orbit, because of the danger of releasing the radioactive contents on deorbit and because there’s enough sunlight here to make solar a much better option (lighter, cheaper).

RTGs are mostly used for the outer solar system where the sun is too dim to be useful.