She’s too fragile to roll in the mud on her own — so zookeepers stepped in to give this grandma rhino a spa day by hand. Wait until you see how they do it.

I love a bit of mud. From wallowing in the mud baths of Nha Trang in Vietnam to slathering myself in the stuff on the banks of the Dead Sea in Jordan, if there’s rejuvenating dirt to bathe in, I’m ...