1. Super window-washers

2. Two-year old Henry watches as window-washers dressed as superheroes work at Rady Children's Hospital in San Diego, California. REUTERS/Mike Blake

3. Two-year old Henry watches as window-washers dressed as superheroes work at Rady Children's Hospital in San Diego, California. REUTERS/Mike Blake

4. A window-washer dressed as Spider-Man waves as he and his coworkers dressed as superheroes clean windows at Rady Children's Hospital in San Diego, California. REUTERS/Mike Blake

5. Two-year old Henry watches as window-washers dressed as superheroes stop their work to greet kids as they work at Rady Children's Hospital in San Diego, California. REUTERS/Mike Blake

6. Two-year old Henry watches as window-washers dressed as superheroes work at Rady Children's Hospital in San Diego, California. REUTERS/Mike Blake

7. A window-washer dressed as Spider-Man works outside as he and coworkers dressed as superheroes clean windows at Rady Children's Hospital in San Diego, California. REUTERS/Mike Blake

8. Window-washers dressed as superheroes greet a child as they work at Rady Children's Hospital in San Diego, California. REUTERS/Mike Blake

9. Two year-old Syncier tests a recently cleaned window by window-washers dressed as superheroes as they work at Rady Children's Hospital in San Diego, California. REUTERS/Mike Blake

10. Window-washers dressed as superheroes wave to a boy as they work at Rady Children's Hospital in San Diego, California. REUTERS/Mike Blake

11. Four-year old Dominic poses for a picture with window-washers dressed as superheroes as they work at Rady Children's Hospital in San Diego, California. REUTERS/Mike Blake

12. Four-year old Dominic helps window-washers dressed as superheroes as they work at Rady Children's Hospital in San Diego, California. REUTERS/Mike Blake