An island in the city disappeared many years ago, a large island where the single largest building of the city was. Where was it and what happened to it, asked Mark, raising his eyes for a moment from the workbench.
I don’t know, said Julia.
Neither do I. Go find hints and come back then.
Where should I look for it?
I have no idea.
helobiae 
Neat concept for a blog!
Thank you!
Oh, oh, your blog is a new rabbit hole for me….thanks for sharing your creativity, I’m going to love these!