A growing number of Chinese ultramarathon athletes are running races in the United States, bringing a new glimpse of our nation back home to China. Meanwhile, Americans are learning more about the Chinese and their competition style, building bridges over gaps in culture and language.

The U.S. and China are some of the largest concrete producers, presenting both a challenge and an opportunity. This story by our Nature Contributor and environmental photographer, Kyle Obermann.

Puccini, a renowned Italian composer, wrote one of the greatest operas of all time. The story of the Chinese ice princess who melts from the heat of love contains the most famous operatic song, Nessun Dorma, which reached a global audience during the 1990 World Cup.