In wintry months, plenty of zoo animals have less exercise time. Unless they're cold weather fans, they can need extra motivation to move it, move it around that enclosure.
At the Asahiyama Zoo in Japan, keepers created a special path to let their King Penguins stroll (monitored) daily to counteract this lack of exertion . . . and invite zoo guests to watch nearby.
It's so cute that I couldn't resist sharing additional photos when you read more.