A historic event, largely unnoticed by the rest of the world, took place on the border between China and India on July 6, 2006. After 44 years, the Asian neighbors reopened Nathu La, a mountain pass perched 14,140 feet up in the eastern Himalayas, connecting Tibet in China to Sikkim in India. Braving heavy wind and rain, several dignitaries—including China’s ambassador to India, the Tibet Autonomous Region’s chairperson, and Sikkim’s chief minister—watched as soldiers removed a barbed wire fence between the two nations.

A version of this article appeared in the December 2007 issue of Harvard Business Review.