Not often to the kitties sit together on any piece of furniture, let alone the cat climber. But sometimes they STAND UNITED against a COMMON ENEMY: the VACUUM.
(Neither is actually afraid of the vacuum, but it is noisy and tends to be cleaning places they usually sit, so retreating to the cat climber is only logical.)
(Also, this isn’t a “real” post, but I think it still counts toward BEDA. After all, I have to, y’know, POST it.)