"This is the butterfly room," said the gray-haired majordomo. The walls were covered with small glass-fronted cases. Kitty examined them with polite interest.
"But these are all the same!" she cried.
I leaned over her shoulder. Every pattern was identical, like some trick in a hall of mirrors.
"The Master is very intrigued by iterations these days," said our guide. "Please, wait here. I will see if he is ready."
I sat. Kitty continued examining the cases, as if hoping to find one butterfly different from the rest. She didn't see the previous guests leaving.
Like some trick with mirrors...