Transcript for Superhero Window Washers
america today, a lot of children could look out the window and see, is it a bird, a plane, or a window washer flying by just for them? It is proof that everyone has a superpower, even if it's just giving someone a brighter day. Here's abc's john donvan. Reporter: The kids who are stuck inside. The windows that have to get cleaned. It was a natural, once somebody thought of it, to put the window cleaners in cot tumz. Give the kids a show. Captain america. Reporter: Give the kids a laugh. Give them a thrill. So, yeah, somebody thought of it. Here at c.S. Motts children's hospital in michigan over the weekend. But guess what. They also thought of it in may at st. Francis in tulsa. And in pittsburgh in april and in akron in march. Look how excited that kid is. And the guys swinging around out there, real window washers. Another day at the office. Reporter: Getting to dress up for a day, a language-time wish for this guy. I've been wanting to do this for so long. I'm happy. Reporter: So, it's trend, or supertrend, which started in britain actually. Though for superman, these other guys, it's truth, justice and the american way. Waved and a smiled. What did they do? They waved and they smiled back. Reporter: If you think you see ropes holding these guys up, you're looking at it the wrong way. John donvan, abc news,
This transcript has been automatically generated and may not be 100% accurate.