"Well, there's always the Sensoriums," Katara said, "and the more I learn about your history, the more I'll start to understand about how it all works. Once, we were in an air temple which was, for my world, very technological, and they had to figure out their own way of flying too. One of my friends, he couldn't walk, but he was able to still sort of fly!"

Katara had even tried flying, and it was fun...until she got that bug in her mouth.