It’s well known that cats are liquid. The Internet is full of pictures demonstrating how they conform to the shape of whatever vessel they’re poured into.
What gets much less attention, however, is the corollary: any insufficiently restrained fluid will flow downhill.
For your edification, Sachiko demonstrates.
Here we see her hindquarters just beginning to overflow the retaining lip of the condo.
Regrettably, I am unable to show the rest of the photo series. Yes, the educational value of Her Batshit Majesty’s sacrifice of dignity suffers. However, she informed me in no uncertain terms that if I wished to retain possession of the hand holding my phone, I would suppress the remaining images.
Freedom of the press only goes so far in an autocracy.
Let us just note that cats do, in fact, flow downhill, and if sufficiently taken aback by the process, they don’t always land on their feet.