My mother never writes at all, so if that is the case, what will I look to later to miss her? Just through photos of her smiling shyly? I need to listen to her thoughts more often. The train tunnels connecting islands are not glass tubes. There was a time in my childhood when I naturally assumed they were glass tubes. The time when I thought I had to take that Hokkaido Shinkansen from England to France, or from France to England, just to see them. Let's leave traces here and there. There is no reason yet.