1 "the idea I found most interesting was "What if the sky was always dark?"
2 "it makes me wonder more about places like Sweden where it really is dark almost all the time for part of the years. Also, how would people make light? Is there a bunch of torches? Is there glowing moss like in Avatar? How does the world look different if no one can see it? And how do we do jobs if we can't see? Is there still electricity?