If you've visited the tiny Hawaiian island of Kauai... 

you may have visited the Kilauea Lighthouse on the North Shore.

If you were lucky enough to arrive on a Wednesday, you might have gotten to go up into the lighthouse itself.

The Kilauea Lighthouse,  with its masterful combination of design and mechanical engineering, provides the perfect example of what the right team can achieve when it focuses on what people need.

The lighthouse's 9,000 lb Fresnel lens, built in Paris, casts its own unique and immediately recognizable rippled light "thumbprint." 

This same lens continues to protect the lighthouse by keeping people invested in it 100 years later.

It never would have happened without cross-functional cooperation and communication.