Construction sites are seen on a hazy day in Beijing's central business district June 25, 2015. U.S. President Barack Obama is expected to press Chinese leader Xi Jinping during the latter's state visit later this month on issues that have strained relations between the two countries, but his approach will be tempered because for better or worse the world’s two biggest economies are inextricably bound together. Picture taken on June 25, 2015. REUTERS/Jason Lee

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Construction sites are seen on a hazy day in Beijing's central business district June 25, 2015. U.S. President Barack Obama is expected to press Chinese leader Xi Jinping during the latter's state visit later this month on issues that have strained relations between the two countries, but his approach will be tempered because for better or worse the world’s two biggest economies are inextricably bound together. Picture taken on June 25, 2015. REUTERS/Jason Lee

REUTERS / Alamy Stock Photo

Image ID: 2CPEX7B