PRESS PHOTOS BY C. RICHARD CHARTRAND Window cleaning experts from Performance Services (PSI) Inc., Harrisburg, surprised children at Lehigh Valley Reilly Children's Hospital at Lehigh Valley Hospital – Cedar Crest Nov. 15 by dressing as superheroes and working outside their hospital rooms while dangling from the six-story, 89-foot-tall structure along Interstate 78 in Allentown. Seven individuals, dressed as Spiderman, Thor, Captain America, Green Lantern and Batman, along with two dastardly villains scaled the outside of the children's hospital, stopping at the windows outside each room to interact with the children. ABOVE: The superheroes begin their adventure for the children.

After they land, they visit with one young man, Michael Kennybrew, of Breinigsville.