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In April, China launched its first domestically-built aircraft carrier.

-- Mutual learning. The ancient silk routes were not for trade only, they boosted flow of knowledge as well. Through these routes, Chinese silk, porcelain, lacquerwork and ironware were shipped to the West, while pepper, flax, spices, grape and pomegranate entered China. Through these routes, Buddhism, Islam and Arab astronomy, calendar and medicine found their way to China, while China's four great inventions and silkworm breeding spread to other parts of the world. More importantly, the exchange of goods and know-how spurred new ideas. For example, Buddhism originated in India, blossomed in China and was enriched in Southeast Asia. Confucianism, which was born in China, gained appreciation by European thinkers such as Leibniz and Voltaire. Herein lies the appeal of mutual learning.

BEIJING, May 16 (Xinhua) -- Chinese Premier Li Keqiang and Cambodian Prime Minister Hun Sen agreed Tuesday that the two countries will enhance economic cooperation and work together to ensure regional stability and prosperity.

HAVANA, June 4 (Xinhua) -- Ever since the first Chinese immigrants arrived in Cuba 170 years ago, the process of cultural exchange has never stopped.

If the political foundation is damaged, cross-Strait relations will return to the old path of uncertainty and turmoil, An said.