Heathrow Airport Needs Tightrope Walkers Just to Change Its Lightbulbs

Heathrow's Terminal Five was designed to be a soaring, light-filled tribute to the wonders of flight. Five years into its life, though, 60 percent of its lightbulbs are burned out—because there's been no safe or cost-effective way to change them. Now, officials say they've found a solution: Acrobats. » 11/25/13 9:40am 11/25/13 9:40am