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"China's outbound direct investment will no longer just focus on Africa's infrastructure, energy, manufacturing and agricultural fields. Chinese companies have already begun to deploy more resources and manpower in Africa's services sectors as its economy has already diversified," said Yu Jianlong, secretary-general of the China Chamber of International Commerce.

"China's increasing number of world heritage sites means we need to shoulder more responsibilities," Liu Yuzhu, head of the National Cultural Heritage Administration, told Xinhua.

"Commercial guided tours add to the congestion in these identified areas … prevent the free flow of visitor movement and impact public programs and the visitor experience," Jerry Willis, spokesman for NPS, said in a statement. "The restrictions were put in place as a necessary response to the 600 percent increase in commercial tours over the last 10 years.

"China's growth is very critical for the maintaining (of) commodity prices for many commodity exporters," he said.

"Collaborations like this are very critical, because together we'll be able to get there faster," said Hua. "I think American startups certainly should be going to China to exploit the opportunities to get funding or partnerships."