Obama arrives in China.

EDITOR'S NOTE: NATURAL SOUND. NO REPORTER NARRATION

U.S. President Barack Obama arrives in Shanghai, China on his first visit to the emerging superpower and world's third biggest economy for a summit that will grapple with economic imbalances and the future of the yuan.

The U.S. President's talks in Beijing with Chinese President Hu Jintao and officials will cover economic ties, international trouble-spots such as North Korea and Iran, and international efforts to fight climate change.